12572267506 has 8 divisors (see below), whose sum is σ = 19167555564. Its totient is φ = 6183082320.

The previous prime is 12572267479. The next prime is 12572267507. The reversal of 12572267506 is 60576227521.

It can be written as a sum of positive squares in 2 ways, for example, as 9247707225 + 3324560281 = 96165^2 + 57659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12572267507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51525565 + ... + 51525808.

Almost surely, 2^12572267506 is an apocalyptic number.

12572267506 is a deficient number, since it is larger than the sum of its proper divisors (6595288058).

12572267506 is a wasteful number, since it uses less digits than its factorization.

12572267506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103051436.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 12572267506 in words is "twelve billion, five hundred seventy-two million, two hundred sixty-seven thousand, five hundred six".