123112302000000 has 224 divisors, whose sum is σ = 408766102883160. Its totient is φ = 32829945600000.

The previous prime is 123112301999969. The next prime is 123112302000041. The reversal of 123112302000000 is 203211321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 27 ways as a sum of consecutive naturals, for example, 4259359 + ... + 16259358.

Almost surely, 2^{123112302000000} is an apocalyptic number.

123112302000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123112302000000 is an abundant number, since it is smaller than the sum of its proper divisors (285653800883160).

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

123112302000000 is an frugal number, since it uses more digits than its factorization.

123112302000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20518764 (or 20518727 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123112302000000 its reverse (203211321), we get a palindrome (123112505211321).

The spelling of 123112302000000 in words is "one hundred twenty-three trillion, one hundred twelve billion, three hundred two million", and thus it is an aban number.