12292085808 has 60 divisors (see below), whose sum is σ = 34648311880. Its totient is φ = 4067877888.

The previous prime is 12292085759. The next prime is 12292085809. The reversal of 12292085808 is 80858029221.

It is a super-2 number, since 2×12292085808² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12292085809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287041 + ... + 327072.

Almost surely, 2^12292085808 is an apocalyptic number.

12292085808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12292085808 is an abundant number, since it is smaller than the sum of its proper divisors (22356226072).

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

12292085808 is a wasteful number, since it uses less digits than its factorization.

12292085808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614266 (or 614257 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 12292085808 in words is "twelve billion, two hundred ninety-two million, eighty-five thousand, eight hundred eight".