12208252764 has 12 divisors (see below), whose sum is σ = 28485923144. Its totient is φ = 4069417584.

The previous prime is 12208252741. The next prime is 12208252769. The reversal of 12208252764 is 46725280221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12208252769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508677187 + ... + 508677210.

Almost surely, 2^12208252764 is an apocalyptic number.

It is an amenable number.

12208252764 is an abundant number, since it is smaller than the sum of its proper divisors (16277670380).

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

12208252764 is a wasteful number, since it uses less digits than its factorization.

12208252764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017354404 (or 1017354402 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 12208252764 in words is "twelve billion, two hundred eight million, two hundred fifty-two thousand, seven hundred sixty-four".