12602764542 has 16 divisors (see below), whose sum is σ = 25224888960. Its totient is φ = 4197694872.

The previous prime is 12602764481. The next prime is 12602764549. The reversal of 12602764542 is 24546720621.

It is a self number, because there is not a number n which added to its sum of digits gives 12602764542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12602764549) 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, 798192 + ... + 813827.

It is an arithmetic number, because the mean of its divisors is an integer number (1576555560).

Almost surely, 2^12602764542 is an apocalyptic number.

12602764542 is an abundant number, since it is smaller than the sum of its proper divisors (12622124418).

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

12602764542 is a wasteful number, since it uses less digits than its factorization.

12602764542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613327.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 12602764542 in words is "twelve billion, six hundred two million, seven hundred sixty-four thousand, five hundred forty-two".