47382117122 has 18 divisors (see below), whose sum is σ = 75020008329. Its totient is φ = 22441390200.

The previous prime is 47382117089. The next prime is 47382117149. The reversal of 47382117122 is 22171128374.

It can be written as a sum of positive squares in 2 ways, for example, as 24743604601 + 22638512521 = 157301^2 + 150461^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=153919.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 5844872 + ... + 5852972.

Almost surely, 2^47382117122 is an apocalyptic number.

47382117122 is a deficient number, since it is larger than the sum of its proper divisors (27637891207).

47382117122 is an frugal number, since it uses more digits than its factorization.

47382117122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16242 (or 8122 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The spelling of 47382117122 in words is "forty-seven billion, three hundred eighty-two million, one hundred seventeen thousand, one hundred twenty-two".