123013203133512 has 16 divisors (see below), whose sum is σ = 307533007833840. Its totient is φ = 41004401044496.

The previous prime is 123013203133477. The next prime is 123013203133549. The reversal of 123013203133512 is 215331302310321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123013203133512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2562775065258 + ... + 2562775065305.

It is an arithmetic number, because the mean of its divisors is an integer number (19220812989615).

Almost surely, 2^{123013203133512} is an apocalyptic number.

123013203133512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123013203133512 is an abundant number, since it is smaller than the sum of its proper divisors (184519804700328).

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

123013203133512 is a wasteful number, since it uses less digits than its factorization.

123013203133512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125550130572 (or 5125550130568 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 123013203133512 its reverse (215331302310321), we get a palindrome (338344505443833).

The spelling of 123013203133512 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred thirty-three thousand, five hundred twelve".