123310302012100 has 72 divisors (see below), whose sum is σ = 305813747778560. Its totient is φ = 42277237355520.

The previous prime is 123310302012097. The next prime is 123310302012127. The reversal of 123310302012100 is 1210203013321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51446557 + ... + 53790043.

Almost surely, 2^{123310302012100} is an apocalyptic number.

123310302012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123310302012100 is an abundant number, since it is smaller than the sum of its proper divisors (182503445766460).

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

123310302012100 is a wasteful number, since it uses less digits than its factorization.

123310302012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418677 (or 2418670 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123310302012100 its reverse (1210203013321), we get a palindrome (124520505025421).

The spelling of 123310302012100 in words is "one hundred twenty-three trillion, three hundred ten billion, three hundred two million, twelve thousand, one hundred".