12927213952 has 16 divisors (see below), whose sum is σ = 25753434300. Its totient is φ = 6463606912.

The previous prime is 12927213947. The next prime is 12927213961. The reversal of 12927213952 is 25931272921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×12927213952² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12927213899 and 12927213908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50496802 + ... + 50497057.

Almost surely, 2^12927213952 is an apocalyptic number.

It is an amenable number.

12927213952 is a deficient number, since it is larger than the sum of its proper divisors (12826220348).

12927213952 is an equidigital number, since it uses as much as digits as its factorization.

12927213952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100993873 (or 100993861 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The spelling of 12927213952 in words is "twelve billion, nine hundred twenty-seven million, two hundred thirteen thousand, nine hundred fifty-two".