51254214512 has 20 divisors (see below), whose sum is σ = 99357337896. Its totient is φ = 25613611200.

The previous prime is 51254214509. The next prime is 51254214527. The reversal of 51254214512 is 21541245215.

It is a super-2 number, since 2×51254214512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 812138 + ... + 872969.

Almost surely, 2^51254214512 is an apocalyptic number.

It is an amenable number.

51254214512 is a deficient number, since it is larger than the sum of its proper divisors (48103123384).

51254214512 is a wasteful number, since it uses less digits than its factorization.

51254214512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687016 (or 1687010 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

Adding to 51254214512 its reverse (21541245215), we get a palindrome (72795459727).

The spelling of 51254214512 in words is "fifty-one billion, two hundred fifty-four million, two hundred fourteen thousand, five hundred twelve".