51212046310 has 32 divisors (see below), whose sum is σ = 92631903840. Its totient is φ = 20384863488.

The previous prime is 51212046271. The next prime is 51212046343. The reversal of 51212046310 is 1364021215.

It is a happy number.

It is a super-2 number, since 2×51212046310² (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 15 ways as a sum of consecutive naturals, for example, 5658649 + ... + 5667691.

It is an arithmetic number, because the mean of its divisors is an integer number (2894746995).

Almost surely, 2^51212046310 is an apocalyptic number.

51212046310 is a deficient number, since it is larger than the sum of its proper divisors (41419857530).

51212046310 is a wasteful number, since it uses less digits than its factorization.

51212046310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 51212046310 its reverse (1364021215), we get a palindrome (52576067525).

The spelling of 51212046310 in words is "fifty-one billion, two hundred twelve million, forty-six thousand, three hundred ten".