12105994764 has 24 divisors (see below), whose sum is σ = 28281012480. Its totient is φ = 4030518544.

The previous prime is 12105994759. The next prime is 12105994781. The reversal of 12105994764 is 46749950121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591144 + ... + 611279.

It is an arithmetic number, because the mean of its divisors is an integer number (1178375520).

Almost surely, 2^12105994764 is an apocalyptic number.

It is an amenable number.

12105994764 is an abundant number, since it is smaller than the sum of its proper divisors (16175017716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12105994764 is a wasteful number, since it uses less digits than its factorization.

12105994764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203269 (or 1203267 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 12105994764 in words is "twelve billion, one hundred five million, nine hundred ninety-four thousand, seven hundred sixty-four".