51304215412 has 12 divisors (see below), whose sum is σ = 89912312896. Its totient is φ = 25614983160.

The previous prime is 51304215409. The next prime is 51304215439. The reversal of 51304215412 is 21451240315.

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, 9278028 + ... + 9283555.

Almost surely, 2^51304215412 is an apocalyptic number.

It is an amenable number.

51304215412 is a deficient number, since it is larger than the sum of its proper divisors (38608097484).

51304215412 is a wasteful number, since it uses less digits than its factorization.

51304215412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18562278 (or 18562276 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 51304215412 its reverse (21451240315), we get a palindrome (72755455727).

The spelling of 51304215412 in words is "fifty-one billion, three hundred four million, two hundred fifteen thousand, four hundred twelve".