51401244333212 has 96 divisors (see below), whose sum is σ = 96464044974528. Its totient is φ = 23880869003264.

The previous prime is 51401244333149. The next prime is 51401244333227. The reversal of 51401244333212 is 21233344210415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7034517263 + ... + 7034524569.

It is an arithmetic number, because the mean of its divisors is an integer number (1004833801818).

Almost surely, 2^{51401244333212} is an apocalyptic number.

It is an amenable number.

51401244333212 is a deficient number, since it is larger than the sum of its proper divisors (45062800641316).

51401244333212 is a wasteful number, since it uses less digits than its factorization.

51401244333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495 (or 11493 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 51401244333212 its reverse (21233344210415), we get a palindrome (72634588543627).

The spelling of 51401244333212 in words is "fifty-one trillion, four hundred one billion, two hundred forty-four million, three hundred thirty-three thousand, two hundred twelve".