123611352456012 has 96 divisors (see below), whose sum is σ = 305826377601024. Its totient is φ = 38790715449600.

The previous prime is 123611352455917. The next prime is 123611352456017. The reversal of 123611352456012 is 210654253116321.

It is not an unprimeable number, because it can be changed into a prime (123611352456017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85486962 + ... + 86920902.

It is an arithmetic number, because the mean of its divisors is an integer number (3185691433344).

Almost surely, 2^{123611352456012} is an apocalyptic number.

123611352456012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123611352456012 is an abundant number, since it is smaller than the sum of its proper divisors (182215025145012).

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

123611352456012 is a wasteful number, since it uses less digits than its factorization.

123611352456012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440279 (or 1440277 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 123611352456012 in words is "one hundred twenty-three trillion, six hundred eleven billion, three hundred fifty-two million, four hundred fifty-six thousand, twelve".