51032432212 has 12 divisors (see below), whose sum is σ = 89325422676. Its totient is φ = 25510882880.

The previous prime is 51032432203. The next prime is 51032432237. The reversal of 51032432212 is 21223423015.

51032432212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42635642256 + 8396789956 = 206484^2 + 91634^2 .

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, 1311739 + ... + 1350082.

It is an arithmetic number, because the mean of its divisors is an integer number (7443785223).

Almost surely, 2^51032432212 is an apocalyptic number.

It is an amenable number.

51032432212 is a deficient number, since it is larger than the sum of its proper divisors (38292990464).

51032432212 is a wasteful number, since it uses less digits than its factorization.

51032432212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666618 (or 2666616 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 51032432212 its reverse (21223423015), we get a palindrome (72255855227).

The spelling of 51032432212 in words is "fifty-one billion, thirty-two million, four hundred thirty-two thousand, two hundred twelve".