51452222112 has 48 divisors (see below), whose sum is σ = 150068983680. Its totient is φ = 17150740416.

The previous prime is 51452222093. The next prime is 51452222113. The reversal of 51452222112 is 21122225415.

51452222112 is a `hidden beast` number, since 5 + 1 + 4 + 522 + 22 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51452222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29774728 + ... + 29776455.

It is an arithmetic number, because the mean of its divisors is an integer number (3126437160).

Almost surely, 2^51452222112 is an apocalyptic number.

It is an amenable number.

51452222112 is an abundant number, since it is smaller than the sum of its proper divisors (98616761568).

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

51452222112 is a wasteful number, since it uses less digits than its factorization.

51452222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59551202 (or 59551188 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

Adding to 51452222112 its reverse (21122225415), we get a palindrome (72574447527).

The spelling of 51452222112 in words is "fifty-one billion, four hundred fifty-two million, two hundred twenty-two thousand, one hundred twelve".