12993181752 has 32 divisors (see below), whose sum is σ = 33275224080. Its totient is φ = 4225424640.

The previous prime is 12993181739. The next prime is 12993181759. The reversal of 12993181752 is 25718139921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12993181759) 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, 6601243 + ... + 6603210.

Almost surely, 2^12993181752 is an apocalyptic number.

12993181752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12993181752 is an abundant number, since it is smaller than the sum of its proper divisors (20282042328).

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

12993181752 is a wasteful number, since it uses less digits than its factorization.

12993181752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13204503 (or 13204499 counting only the distinct ones).

The product of its digits is 272160, while the sum is 48.

The spelling of 12993181752 in words is "twelve billion, nine hundred ninety-three million, one hundred eighty-one thousand, seven hundred fifty-two".