123013122312120 has 64 divisors (see below), whose sum is σ = 390747564997920. Its totient is φ = 30873881677824.

The previous prime is 123013122312043. The next prime is 123013122312131. The reversal of 123013122312120 is 21213221310321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30150273037 + ... + 30150277116.

Almost surely, 2^{123013122312120} is an apocalyptic number.

123013122312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123013122312120 is an abundant number, since it is smaller than the sum of its proper divisors (267734442685800).

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

123013122312120 is a wasteful number, since it uses less digits than its factorization.

123013122312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60300550184 (or 60300550180 counting only the distinct ones).

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

Adding to 123013122312120 its reverse (21213221310321), we get a palindrome (144226343622441).

The spelling of 123013122312120 in words is "one hundred twenty-three trillion, thirteen billion, one hundred twenty-two million, three hundred twelve thousand, one hundred twenty".