12642775348 has 24 divisors (see below), whose sum is σ = 25298324352. Its totient is φ = 5415595104.

The previous prime is 12642775297. The next prime is 12642775361. The reversal of 12642775348 is 84357724621.

It is a super-2 number, since 2×12642775348² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 57136 + ... + 168967.

It is an arithmetic number, because the mean of its divisors is an integer number (1054096848).

Almost surely, 2^12642775348 is an apocalyptic number.

It is an amenable number.

12642775348 is an abundant number, since it is smaller than the sum of its proper divisors (12655549004).

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

12642775348 is a wasteful number, since it uses less digits than its factorization.

12642775348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228111 (or 228109 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The spelling of 12642775348 in words is "twelve billion, six hundred forty-two million, seven hundred seventy-five thousand, three hundred forty-eight".