51214534012 has 6 divisors (see below), whose sum is σ = 89625434528. Its totient is φ = 25607267004.

The previous prime is 51214534009. The next prime is 51214534031. The reversal of 51214534012 is 21043541215.

It is a super-2 number, since 2×51214534012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401816748 + ... + 6401816755.

Almost surely, 2^51214534012 is an apocalyptic number.

It is an amenable number.

51214534012 is a deficient number, since it is larger than the sum of its proper divisors (38410900516).

51214534012 is a wasteful number, since it uses less digits than its factorization.

51214534012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12803633507 (or 12803633505 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 51214534012 in words is "fifty-one billion, two hundred fourteen million, five hundred thirty-four thousand, twelve".