51204433412 has 24 divisors (see below), whose sum is σ = 97873054272. Its totient is φ = 23246376800.

The previous prime is 51204433403. The next prime is 51204433433. The reversal of 51204433412 is 21433440215.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672608 + ... + 744855.

It is an arithmetic number, because the mean of its divisors is an integer number (4078043928).

Almost surely, 2^51204433412 is an apocalyptic number.

It is an amenable number.

51204433412 is a deficient number, since it is larger than the sum of its proper divisors (46668620860).

51204433412 is a wasteful number, since it uses less digits than its factorization.

51204433412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418299 (or 1418297 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 51204433412 its reverse (21433440215), we get a palindrome (72637873627).

The spelling of 51204433412 in words is "fifty-one billion, two hundred four million, four hundred thirty-three thousand, four hundred twelve".