18680143122 has 24 divisors (see below), whose sum is σ = 41779246080. Its totient is φ = 6025852440.

The previous prime is 18680143109. The next prime is 18680143199. The reversal of 18680143122 is 22134108681.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16737922 + ... + 16739037.

It is an arithmetic number, because the mean of its divisors is an integer number (1740801920).

Almost surely, 2^18680143122 is an apocalyptic number.

18680143122 is an abundant number, since it is smaller than the sum of its proper divisors (23099102958).

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

18680143122 is a wasteful number, since it uses less digits than its factorization.

18680143122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33476998 (or 33476995 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 18680143122 in words is "eighteen billion, six hundred eighty million, one hundred forty-three thousand, one hundred twenty-two".