12572451506 has 16 divisors (see below), whose sum is σ = 19855281600. Its totient is φ = 5954159088.

The previous prime is 12572451497. The next prime is 12572451527. The reversal of 12572451506 is 60515427521.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 12572451506.

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, 171635 + ... + 233673.

It is an arithmetic number, because the mean of its divisors is an integer number (1240955100).

Almost surely, 2^12572451506 is an apocalyptic number.

12572451506 is a deficient number, since it is larger than the sum of its proper divisors (7282830094).

12572451506 is a wasteful number, since it uses less digits than its factorization.

12572451506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67393.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 12572451506 in words is "twelve billion, five hundred seventy-two million, four hundred fifty-one thousand, five hundred six".