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1213010112330 = 232537973755333
BaseRepresentation
bin10001101001101101000…
…010010110111101001010
311021221222202112021221200
4101221231002112331022
5124333221042043310
62325125452245030
7153431343555462
oct21515502267512
94257882467850
101213010112330
11428486649045
1217710a770776
138a503aba423
14429d2366ba2
1521846e889c0
hex11a6d096f4a

1213010112330 has 96 divisors (see below), whose sum is σ = 3272458132944. Its totient is φ = 311482257408.

The previous prime is 1213010112319. The next prime is 1213010112343. The reversal of 1213010112330 is 332110103121.

1213010112330 is a `hidden beast` number, since 1 + 21 + 301 + 0 + 1 + 12 + 330 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1112786582769 + 100223529561 = 1054887^2 + 316581^2 .

It is a super-2 number, since 2×12130101123302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1554657 + ... + 2200676.

Almost surely, 21213010112330 is an apocalyptic number.

1213010112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213010112330 is an abundant number, since it is smaller than the sum of its proper divisors (2059448020614).

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

1213010112330 is a wasteful number, since it uses less digits than its factorization.

1213010112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755480 (or 3755477 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1213010112330 its reverse (332110103121), we get a palindrome (1545120215451).

The spelling of 1213010112330 in words is "one trillion, two hundred thirteen billion, ten million, one hundred twelve thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 97 111 185 194 222 291 333 370 485 555 582 666 873 970 1110 1455 1665 1746 2910 3330 3589 4365 7178 8730 10767 17945 21534 32301 35890 53835 64602 107670 161505 323010 3755333 7510666 11265999 18776665 22531998 33797997 37553330 56329995 67595994 112659990 138947321 168989985 277894642 337979970 364267301 416841963 694736605 728534602 833683926 1092801903 1250525889 1389473210 1821336505 2084209815 2185603806 2501051778 3278405709 3642673010 4168419630 5464009515 6252629445 6556811418 10928019030 12505258890 13477890137 16392028545 26955780274 32784057090 40433670411 67389450685 80867340822 121301011233 134778901370 202168352055 242602022466 404336704110 606505056165 1213010112330