51212919596 has 12 divisors (see below), whose sum is σ = 89649602952. Its totient is φ = 25598747328.

The previous prime is 51212919529. The next prime is 51212919613. The reversal of 51212919596 is 69591921215.

51212919596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913165 + ... + 1939748.

It is an arithmetic number, because the mean of its divisors is an integer number (7470800246).

Almost surely, 2^51212919596 is an apocalyptic number.

It is an amenable number.

51212919596 is a deficient number, since it is larger than the sum of its proper divisors (38436683356).

51212919596 is a wasteful number, since it uses less digits than its factorization.

51212919596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856240 (or 3856238 counting only the distinct ones).

The product of its digits is 437400, while the sum is 50.

The spelling of 51212919596 in words is "fifty-one billion, two hundred twelve million, nine hundred nineteen thousand, five hundred ninety-six".