12113664650 has 24 divisors (see below), whose sum is σ = 22913310240. Its totient is φ = 4763338160.

The previous prime is 12113664649. The next prime is 12113664697. The reversal of 12113664650 is 5646631121.

It is a self number, because there is not a number n which added to its sum of digits gives 12113664650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050214 + ... + 2056113.

It is an arithmetic number, because the mean of its divisors is an integer number (954721260).

Almost surely, 2^12113664650 is an apocalyptic number.

12113664650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12113664650 is a deficient number, since it is larger than the sum of its proper divisors (10799645590).

12113664650 is a wasteful number, since it uses less digits than its factorization.

12113664650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106398 (or 4106393 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 12113664650 in words is "twelve billion, one hundred thirteen million, six hundred sixty-four thousand, six hundred fifty".