51242316436212 has 48 divisors (see below), whose sum is σ = 130496253854400. Its totient is φ = 15520681039360.

The previous prime is 51242316436193. The next prime is 51242316436217. The reversal of 51242316436212 is 21263461324215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51242316436217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90888387 + ... + 91450442.

It is an arithmetic number, because the mean of its divisors is an integer number (2718671955300).

Almost surely, 2^{51242316436212} is an apocalyptic number.

It is an amenable number.

51242316436212 is an abundant number, since it is smaller than the sum of its proper divisors (79253937418188).

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

51242316436212 is a wasteful number, since it uses less digits than its factorization.

51242316436212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182340976 (or 182340974 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 51242316436212 in words is "fifty-one trillion, two hundred forty-two billion, three hundred sixteen million, four hundred thirty-six thousand, two hundred twelve".