51212600231444 has 6 divisors (see below), whose sum is σ = 89622050405034. Its totient is φ = 25606300115720.

The previous prime is 51212600231437. The next prime is 51212600231447. The reversal of 51212600231444 is 44413200621215.

It is a happy number.

51212600231444 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47918237290000 + 3294362941444 = 6922300^2 + 1815038^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51212600231447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401575028927 + ... + 6401575028934.

It is an arithmetic number, because the mean of its divisors is an integer number (14937008400839).

Almost surely, 2^{51212600231444} is an apocalyptic number.

It is an amenable number.

51212600231444 is a deficient number, since it is larger than the sum of its proper divisors (38409450173590).

51212600231444 is a wasteful number, since it uses less digits than its factorization.

51212600231444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12803150057865 (or 12803150057863 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 51212600231444 its reverse (44413200621215), we get a palindrome (95625800852659).

The spelling of 51212600231444 in words is "fifty-one trillion, two hundred twelve billion, six hundred million, two hundred thirty-one thousand, four hundred forty-four".