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121021233332130 = 23352939079395509
BaseRepresentation
bin11011100001000101110011…
…100111110111111110100010
3120212111111221211110111022000
4123201011303213313332202
5111330302441213112010
61105220215335224430
734330331660242455
oct3341056347677642
9525444854414260
10121021233332130
11356198a922087a
12116a6886218116
13526b33a765161
1421c565d4c749c
15ded0900597c0
hex6e11739f7fa2

121021233332130 has 128 divisors (see below), whose sum is σ = 333861065280000. Its totient is φ = 31158613833984.

The previous prime is 121021233332089. The next prime is 121021233332161. The reversal of 121021233332130 is 31233332120121.

121021233332130 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 2 + 1 + 2 + 333 + 321 + 3 + 0 = 666.

It is a super-2 number, since 2×1210212333321302 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 121021233332094 and 121021233332103.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305790816 + ... + 306186324.

It is an arithmetic number, because the mean of its divisors is an integer number (2608289572500).

Almost surely, 2121021233332130 is an apocalyptic number.

121021233332130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021233332130 is an abundant number, since it is smaller than the sum of its proper divisors (212839831947870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121021233332130 is a wasteful number, since it uses less digits than its factorization.

121021233332130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434633 (or 434627 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 121021233332130 its reverse (31233332120121), we get a palindrome (152254565452251).

The spelling of 121021233332130 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred thirty-three million, three hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 29 30 45 54 58 87 90 135 145 174 261 270 290 435 522 783 870 1305 1566 2610 3915 7830 39079 78158 117237 195395 234474 351711 390790 395509 586185 703422 791018 1055133 1133291 1172370 1186527 1758555 1977545 2110266 2266582 2373054 3399873 3517110 3559581 3955090 5275665 5666455 5932635 6799746 7119162 10199619 10551330 10678743 11332910 11469761 11865270 16999365 17797905 20399238 21357486 22939522 30598857 33998730 34409283 35595810 50998095 53393715 57348805 61197714 68818566 101996190 103227849 106787430 114697610 152994285 172046415 206455698 305988570 309683547 344092830 516139245 619367094 1032278490 1548417735 3096835470 15456096211 30912192422 46368288633 77280481055 92736577266 139104865899 154560962110 231841443165 278209731798 417314597697 448226790119 463682886330 695524329495 834629195394 896453580238 1344680370357 1391048658990 2086572988485 2241133950595 2689360740714 4034041111071 4173145976970 4482267901190 6723401851785 8068082222142 12102123333213 13446803703570 20170205555355 24204246666426 40340411110710 60510616666065 121021233332130