123020013000000 has 196 divisors, whose sum is σ = 406857865902656. Its totient is φ = 32805336000000.

The previous prime is 123020012999971. The next prime is 123020013000041. The reversal of 123020013000000 is 310020321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 123020013000000.

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, 17503336 + ... + 23503335.

Almost surely, 2^{123020013000000} is an apocalyptic number.

123020013000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123020013000000 is an abundant number, since it is smaller than the sum of its proper divisors (283837852902656).

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

123020013000000 is an frugal number, since it uses more digits than its factorization.

123020013000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41006716 (or 41006681 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 123020013000000 its reverse (310020321), we get a palindrome (123020323020321).

The spelling of 123020013000000 in words is "one hundred twenty-three trillion, twenty billion, thirteen million", and thus it is an aban number.