12199812822 has 24 divisors (see below), whose sum is σ = 26450118864. Its totient is φ = 4063959504.

The previous prime is 12199812817. The next prime is 12199812857. The reversal of 12199812822 is 22821899121.

It is a congruent number.

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, 191853 + ... + 247400.

It is an arithmetic number, because the mean of its divisors is an integer number (1102088286).

Almost surely, 2^12199812822 is an apocalyptic number.

12199812822 is an abundant number, since it is smaller than the sum of its proper divisors (14250306042).

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

12199812822 is a wasteful number, since it uses less digits than its factorization.

12199812822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440804 (or 440801 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The spelling of 12199812822 in words is "twelve billion, one hundred ninety-nine million, eight hundred twelve thousand, eight hundred twenty-two".