51102244312 has 32 divisors (see below), whose sum is σ = 111004884000. Its totient is φ = 21600946944.

The previous prime is 51102244301. The next prime is 51102244331. The reversal of 51102244312 is 21344220115.

It is a super-2 number, since 2×51102244312² (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 in 7 ways as a sum of consecutive naturals, for example, 6246187 + ... + 6254362.

It is an arithmetic number, because the mean of its divisors is an integer number (3468902625).

Almost surely, 2^51102244312 is an apocalyptic number.

It is an amenable number.

51102244312 is an abundant number, since it is smaller than the sum of its proper divisors (59902639688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51102244312 is a wasteful number, since it uses less digits than its factorization.

51102244312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500635 (or 12500631 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 51102244312 its reverse (21344220115), we get a palindrome (72446464427).

It can be divided in two parts, 5110 and 2244312, that added together give a palindrome (2249422).

The spelling of 51102244312 in words is "fifty-one billion, one hundred two million, two hundred forty-four thousand, three hundred twelve".