12501542312 has 32 divisors (see below), whose sum is σ = 26814395520. Its totient is φ = 5352728640.

The previous prime is 12501542311. The next prime is 12501542327. The reversal of 12501542312 is 21324510521.

It is not an unprimeable number, because it can be changed into a prime (12501542311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45788 + ... + 164619.

It is an arithmetic number, because the mean of its divisors is an integer number (837949860).

Almost surely, 2^12501542312 is an apocalyptic number.

It is an amenable number.

12501542312 is an abundant number, since it is smaller than the sum of its proper divisors (14312853208).

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

12501542312 is a wasteful number, since it uses less digits than its factorization.

12501542312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211481 (or 211477 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 12501542312 in words is "twelve billion, five hundred one million, five hundred forty-two thousand, three hundred twelve".