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123112020113232 = 2432564833752359
BaseRepresentation
bin11011111111100001000000…
…001110011111011101010000
3121010220101122100122200011020
4123333201000032133131100
5112114031404122110412
61113500514204115440
734634356424533533
oct3377410016373520
9533811570580136
10123112020113232
1136255572914a67
1211983b26535b80
13539054bb23937
14225892155ca1a
15e3765d4c918c
hex6ff84039f750

123112020113232 has 20 divisors (see below), whose sum is σ = 318039385292640. Its totient is φ = 41037340037728.

The previous prime is 123112020113231. The next prime is 123112020113273. The reversal of 123112020113232 is 232311020211321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123112020113231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282416876132 + ... + 1282416876227.

It is an arithmetic number, because the mean of its divisors is an integer number (15901969264632).

Almost surely, 2123112020113232 is an apocalyptic number.

123112020113232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123112020113232 is an abundant number, since it is smaller than the sum of its proper divisors (194927365179408).

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

123112020113232 is a wasteful number, since it uses less digits than its factorization.

123112020113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564833752370 (or 2564833752364 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 123112020113232 its reverse (232311020211321), we get a palindrome (355423040324553).

The spelling of 123112020113232 in words is "one hundred twenty-three trillion, one hundred twelve billion, twenty million, one hundred thirteen thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 2564833752359 5129667504718 7694501257077 10259335009436 15389002514154 20518670018872 30778005028308 41037340037744 61556010056616 123112020113232