12109603764 has 24 divisors (see below), whose sum is σ = 28279460160. Its totient is φ = 4033146304.

The previous prime is 12109603763. The next prime is 12109603771. The reversal of 12109603764 is 46730690121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12109603763) 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, 408624 + ... + 437255.

It is an arithmetic number, because the mean of its divisors is an integer number (1178310840).

Almost surely, 2^12109603764 is an apocalyptic number.

It is an amenable number.

12109603764 is an abundant number, since it is smaller than the sum of its proper divisors (16169856396).

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

12109603764 is a wasteful number, since it uses less digits than its factorization.

12109603764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847079 (or 847077 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 12109603764 in words is "twelve billion, one hundred nine million, six hundred three thousand, seven hundred sixty-four".