12992520220 has 24 divisors (see below), whose sum is σ = 27337917600. Its totient is φ = 5186793792.

The previous prime is 12992520193. The next prime is 12992520221. The reversal of 12992520220 is 2202529921.

It is a happy number.

It is a super-3 number, since 3×12992520220³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992520221) 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, 627960 + ... + 648319.

It is an arithmetic number, because the mean of its divisors is an integer number (1139079900).

Almost surely, 2^12992520220 is an apocalyptic number.

12992520220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12992520220 is an abundant number, since it is smaller than the sum of its proper divisors (14345397380).

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

12992520220 is a wasteful number, since it uses less digits than its factorization.

12992520220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276797 (or 1276795 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 12992520220 in words is "twelve billion, nine hundred ninety-two million, five hundred twenty thousand, two hundred twenty".