12775040352 has 72 divisors (see below), whose sum is σ = 36606449880. Its totient is φ = 4225827840.

The previous prime is 12775040347. The next prime is 12775040389. The reversal of 12775040352 is 25304057721.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 131577 + ... + 207032.

It is an arithmetic number, because the mean of its divisors is an integer number (508422915).

Almost surely, 2^12775040352 is an apocalyptic number.

12775040352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12775040352 is an abundant number, since it is smaller than the sum of its proper divisors (23831409528).

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

12775040352 is a wasteful number, since it uses less digits than its factorization.

12775040352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338756 (or 338745 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 12775040352 in words is "twelve billion, seven hundred seventy-five million, forty thousand, three hundred fifty-two".