12197907020 has 24 divisors (see below), whose sum is σ = 27586036464. Its totient is φ = 4503842496.

The previous prime is 12197907011. The next prime is 12197907023. The reversal of 12197907020 is 2070979121.

It is not an unprimeable number, because it can be changed into a prime (12197907023) 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, 23457254 + ... + 23457773.

It is an arithmetic number, because the mean of its divisors is an integer number (1149418186).

Almost surely, 2^12197907020 is an apocalyptic number.

12197907020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12197907020 is an abundant number, since it is smaller than the sum of its proper divisors (15388129444).

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

12197907020 is a wasteful number, since it uses less digits than its factorization.

12197907020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46915049 (or 46915047 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 38.

The spelling of 12197907020 in words is "twelve billion, one hundred ninety-seven million, nine hundred seven thousand, twenty".