12764213802 has 24 divisors (see below), whose sum is σ = 29282608836. Its totient is φ = 4004459136.

The previous prime is 12764213771. The next prime is 12764213831. The reversal of 12764213802 is 20831246721.

It is a happy number.

12764213802 is a `hidden beast` number, since 1 + 2 + 7 + 642 + 1 + 3 + 8 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12708278361 + 55935441 = 112731^2 + 7479^2 .

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, 20856253 + ... + 20856864.

Almost surely, 2^12764213802 is an apocalyptic number.

12764213802 is an abundant number, since it is smaller than the sum of its proper divisors (16518395034).

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

12764213802 is a wasteful number, since it uses less digits than its factorization.

12764213802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41713142 (or 41713139 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 12764213802 in words is "twelve billion, seven hundred sixty-four million, two hundred thirteen thousand, eight hundred two".