12522660506 has 8 divisors (see below), whose sum is σ = 18810118080. Its totient is φ = 6252621148.

The previous prime is 12522660439. The next prime is 12522660511. The reversal of 12522660506 is 60506622521.

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

It is a super-2 number, since 2×12522660506² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4352756 + ... + 4355631.

It is an arithmetic number, because the mean of its divisors is an integer number (2351264760).

Almost surely, 2^12522660506 is an apocalyptic number.

12522660506 is a deficient number, since it is larger than the sum of its proper divisors (6287457574).

12522660506 is an equidigital number, since it uses as much as digits as its factorization.

12522660506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709108.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 12522660506 in words is "twelve billion, five hundred twenty-two million, six hundred sixty thousand, five hundred six".