12020635244 has 6 divisors (see below), whose sum is σ = 21036111684. Its totient is φ = 6010317620.

The previous prime is 12020635243. The next prime is 12020635283. The reversal of 12020635244 is 44253602021.

It is not an unprimeable number, because it can be changed into a prime (12020635243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502579402 + ... + 1502579409.

It is an arithmetic number, because the mean of its divisors is an integer number (3506018614).

Almost surely, 2^12020635244 is an apocalyptic number.

It is an amenable number.

12020635244 is a deficient number, since it is larger than the sum of its proper divisors (9015476440).

12020635244 is a wasteful number, since it uses less digits than its factorization.

12020635244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005158815 (or 3005158813 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 12020635244 in words is "twelve billion, twenty million, six hundred thirty-five thousand, two hundred forty-four".