51233434306212 has 24 divisors (see below), whose sum is σ = 119568489126912. Its totient is φ = 17074410138400.

The previous prime is 51233434306199. The next prime is 51233434306217. The reversal of 51233434306212 is 21260343433215.

It is not an unprimeable number, because it can be changed into a prime (51233434306217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425099364 + ... + 425219867.

It is an arithmetic number, because the mean of its divisors is an integer number (4982020380288).

Almost surely, 2^{51233434306212} is an apocalyptic number.

It is an amenable number.

51233434306212 is an abundant number, since it is smaller than the sum of its proper divisors (68335054820700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51233434306212 is a wasteful number, since it uses less digits than its factorization.

51233434306212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850324259 (or 850324257 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 51233434306212 its reverse (21260343433215), we get a palindrome (72493777739427).

The spelling of 51233434306212 in words is "fifty-one trillion, two hundred thirty-three billion, four hundred thirty-four million, three hundred six thousand, two hundred twelve".