51233020452212 has 12 divisors (see below), whose sum is σ = 90451217524836. Its totient is φ = 25389815445120.

The previous prime is 51233020452151. The next prime is 51233020452277. The reversal of 51233020452212 is 21225402033215.

It can be written as a sum of positive squares in 2 ways, for example, as 14009794477156 + 37223225975056 = 3742966^2 + 6101084^2 .

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, 56673694739 + ... + 56673695642.

It is an arithmetic number, because the mean of its divisors is an integer number (7537601460403).

Almost surely, 2^{51233020452212} is an apocalyptic number.

It is an amenable number.

51233020452212 is a deficient number, since it is larger than the sum of its proper divisors (39218197072624).

51233020452212 is a wasteful number, since it uses less digits than its factorization.

51233020452212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113347390498 (or 113347390496 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 51233020452212 its reverse (21225402033215), we get a palindrome (72458422485427).

The spelling of 51233020452212 in words is "fifty-one trillion, two hundred thirty-three billion, twenty million, four hundred fifty-two thousand, two hundred twelve".