12132534502 has 32 divisors (see below), whose sum is σ = 20337402240. Its totient is φ = 5381666880.

The previous prime is 12132534499. The next prime is 12132534521. The reversal of 12132534502 is 20543523121.

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, 143713 + ... + 211939.

It is an arithmetic number, because the mean of its divisors is an integer number (635543820).

Almost surely, 2^12132534502 is an apocalyptic number.

12132534502 is a deficient number, since it is larger than the sum of its proper divisors (8204867738).

12132534502 is a wasteful number, since it uses less digits than its factorization.

12132534502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68436.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 12132534502 in words is "twelve billion, one hundred thirty-two million, five hundred thirty-four thousand, five hundred two".