12036625521 has 8 divisors (see below), whose sum is σ = 16117714080. Its totient is φ = 7989976992.

The previous prime is 12036625501. The next prime is 12036625529. The reversal of 12036625521 is 12552663021.

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

It is not a de Polignac number, because 12036625521 - 2²⁵ = 12003071089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12036625529) 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, 8609191 + ... + 8610588.

It is an arithmetic number, because the mean of its divisors is an integer number (2014714260).

Almost surely, 2^12036625521 is an apocalyptic number.

It is an amenable number.

12036625521 is a deficient number, since it is larger than the sum of its proper divisors (4081088559).

12036625521 is a wasteful number, since it uses less digits than its factorization.

12036625521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17220015.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 12036625521 in words is "twelve billion, thirty-six million, six hundred twenty-five thousand, five hundred twenty-one".