51013135504212 has 24 divisors (see below), whose sum is σ = 136035028011456. Its totient is φ = 14575181572608.

The previous prime is 51013135504187. The next prime is 51013135504231. The reversal of 51013135504212 is 21240553131015.

51013135504212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303649616013 + ... + 303649616180.

It is an arithmetic number, because the mean of its divisors is an integer number (5668126167144).

Almost surely, 2^{51013135504212} is an apocalyptic number.

It is an amenable number.

51013135504212 is an abundant number, since it is smaller than the sum of its proper divisors (85021892507244).

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

51013135504212 is a wasteful number, since it uses less digits than its factorization.

51013135504212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607299232207 (or 607299232205 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 51013135504212 its reverse (21240553131015), we get a palindrome (72253688635227).

The spelling of 51013135504212 in words is "fifty-one trillion, thirteen billion, one hundred thirty-five million, five hundred four thousand, two hundred twelve".