12501021502 has 32 divisors (see below), whose sum is σ = 21277795392. Its totient is φ = 5474962944.

The previous prime is 12501021497. The next prime is 12501021521. The reversal of 12501021502 is 20512010521.

It is a self number, because there is not a number n which added to its sum of digits gives 12501021502.

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, 187093 + ... + 244960.

It is an arithmetic number, because the mean of its divisors is an integer number (664931106).

Almost surely, 2^12501021502 is an apocalyptic number.

12501021502 is a deficient number, since it is larger than the sum of its proper divisors (8776773890).

12501021502 is a wasteful number, since it uses less digits than its factorization.

12501021502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432132.

The product of its (nonzero) digits is 200, while the sum is 19.

The spelling of 12501021502 in words is "twelve billion, five hundred one million, twenty-one thousand, five hundred two".