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12021122332230 = 23511531198157367
BaseRepresentation
bin1010111011101110001010…
…1110011111011001000110
31120120012121200110202102120
42232323202232133121012
53033423224304112410
641322232150550410
72350332421614024
oct256734256373106
946505550422376
1012021122332230
113915147191720
121421935668406
1369278276701b
142d7b7ad77714
1515ca6c484570
hexaeee2b9f646

12021122332230 has 128 divisors (see below), whose sum is σ = 32070558790656. Its totient is φ = 2858937868800.

The previous prime is 12021122332211. The next prime is 12021122332249. The reversal of 12021122332230 is 3223322112021.

It is an interprime number because it is at equal distance from previous prime (12021122332211) and next prime (12021122332249).

It is a self number, because there is not a number n which added to its sum of digits gives 12021122332230.

It is a congruent number.

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, 209519007 + ... + 209576373.

It is an arithmetic number, because the mean of its divisors is an integer number (250551240552).

Almost surely, 212021122332230 is an apocalyptic number.

12021122332230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021122332230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16035279395328).

12021122332230 is an abundant number, since it is smaller than the sum of its proper divisors (20049436458426).

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

12021122332230 is a wasteful number, since it uses less digits than its factorization.

12021122332230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69422.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12021122332230 its reverse (3223322112021), we get a palindrome (15244444444251).

The spelling of 12021122332230 in words is "twelve trillion, twenty-one billion, one hundred twenty-two million, three hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 53 55 66 106 110 159 165 265 318 330 530 583 795 1166 1590 1749 2915 3498 5830 8745 11981 17490 23962 35943 57367 59905 71886 114734 119810 131791 172101 179715 263582 286835 344202 359430 395373 573670 631037 634993 658955 790746 860505 1262074 1269986 1317910 1721010 1893111 1904979 1976865 3040451 3155185 3174965 3786222 3809958 3953730 6080902 6310370 6349930 6984923 9121353 9465555 9524895 13969846 15202255 18242706 18931110 19049790 20954769 30404510 33444961 34924615 41909538 45606765 66889922 69849230 91213530 100334883 104773845 167224805 200669766 209547690 334449610 501674415 687314027 1003348830 1374628054 2061942081 3436570135 4123884162 6873140270 7560454297 10309710405 15120908594 20619420810 22681362891 36427643431 37802271485 45362725782 72855286862 75604542970 109282930293 113406814455 182138217155 218565860586 226813628910 364276434310 400704077741 546414651465 801408155482 1092829302930 1202112233223 2003520388705 2404224466446 4007040777410 6010561166115 12021122332230