52112187122 has 18 divisors (see below), whose sum is σ = 78763058829. Its totient is φ = 25859323800.

The previous prime is 52112187077. The next prime is 52112187143. The reversal of 52112187122 is 22178121125.

It can be written as a sum of positive squares in 2 ways, for example, as 52057441921 + 54745201 = 228161^2 + 7399^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=161419.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 48748004 + ... + 48749072.

Almost surely, 2^52112187122 is an apocalyptic number.

52112187122 is a deficient number, since it is larger than the sum of its proper divisors (26650871707).

52112187122 is an frugal number, since it uses more digits than its factorization.

52112187122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 1222 counting only the distinct ones).

The product of its digits is 4480, while the sum is 32.

Multiplying 52112187122 by its sum of digits (32), we get a square (1667589987904 = 1291352²).

The spelling of 52112187122 in words is "fifty-two billion, one hundred twelve million, one hundred eighty-seven thousand, one hundred twenty-two".