51224023112 has 8 divisors (see below), whose sum is σ = 96045043350. Its totient is φ = 25612011552.

The previous prime is 51224023111. The next prime is 51224023117. The reversal of 51224023112 is 21132042215.

It can be written as a sum of positive squares in only one way, i.e., 50901676996 + 322346116 = 225614^2 + 17954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (51224023111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201501437 + ... + 3201501452.

Almost surely, 2^51224023112 is an apocalyptic number.

It is an amenable number.

51224023112 is a deficient number, since it is larger than the sum of its proper divisors (44821020238).

51224023112 is a wasteful number, since it uses less digits than its factorization.

51224023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403002895 (or 6403002891 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 51224023112 its reverse (21132042215), we get a palindrome (72356065327).

The spelling of 51224023112 in words is "fifty-one billion, two hundred twenty-four million, twenty-three thousand, one hundred twelve".