51212032330 has 32 divisors (see below), whose sum is σ = 98978837760. Its totient is φ = 19008272640.

The previous prime is 51212032327. The next prime is 51212032349. The reversal of 51212032330 is 3323021215.

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, 2109390 + ... + 2133529.

It is an arithmetic number, because the mean of its divisors is an integer number (3093088680).

Almost surely, 2^51212032330 is an apocalyptic number.

51212032330 is a deficient number, since it is larger than the sum of its proper divisors (47766805430).

51212032330 is a wasteful number, since it uses less digits than its factorization.

51212032330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243014.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 51212032330 its reverse (3323021215), we get a palindrome (54535053545).

The spelling of 51212032330 in words is "fifty-one billion, two hundred twelve million, thirty-two thousand, three hundred thirty".