12533103500 has 24 divisors (see below), whose sum is σ = 27372299136. Its totient is φ = 5013241200.

The previous prime is 12533103467. The next prime is 12533103521. The reversal of 12533103500 is 530133521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12532604 + ... + 12533603.

It is an arithmetic number, because the mean of its divisors is an integer number (1140512464).

Almost surely, 2^12533103500 is an apocalyptic number.

12533103500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12533103500 is an abundant number, since it is smaller than the sum of its proper divisors (14839195636).

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

12533103500 is a wasteful number, since it uses less digits than its factorization.

12533103500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25066226 (or 25066214 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

The spelling of 12533103500 in words is "twelve billion, five hundred thirty-three million, one hundred three thousand, five hundred".