12701179936 has 12 divisors (see below), whose sum is σ = 25005448062. Its totient is φ = 6350589952.

The previous prime is 12701179879. The next prime is 12701179949. The reversal of 12701179936 is 63997110721.

It can be written as a sum of positive squares in only one way, i.e., 12509080336 + 192099600 = 111844^2 + 13860^2 .

It is a super-2 number, since 2×12701179936² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198455905 + ... + 198455968.

Almost surely, 2^12701179936 is an apocalyptic number.

12701179936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12701179936 is a deficient number, since it is larger than the sum of its proper divisors (12304268126).

12701179936 is an equidigital number, since it uses as much as digits as its factorization.

12701179936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396911883 (or 396911875 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 46.

The spelling of 12701179936 in words is "twelve billion, seven hundred one million, one hundred seventy-nine thousand, nine hundred thirty-six".