18796822212 has 24 divisors (see below), whose sum is σ = 50124859456. Its totient is φ = 5370520608.

The previous prime is 18796822199. The next prime is 18796822217. The reversal of 18796822212 is 21222869781.

It is not an unprimeable number, because it can be changed into a prime (18796822217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111885763 + ... + 111885930.

Almost surely, 2^18796822212 is an apocalyptic number.

18796822212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18796822212 is an abundant number, since it is smaller than the sum of its proper divisors (31328037244).

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

18796822212 is a wasteful number, since it uses less digits than its factorization.

18796822212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223771707 (or 223771705 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The spelling of 18796822212 in words is "eighteen billion, seven hundred ninety-six million, eight hundred twenty-two thousand, two hundred twelve".