12297406660 has 72 divisors (see below), whose sum is σ = 32440806720. Its totient is φ = 3832952640.

The previous prime is 12297406609. The next prime is 12297406663. The reversal of 12297406660 is 6660479221.

It is a happy number.

It is a super-2 number, since 2×12297406660² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12297406663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346030 + ... + 379909.

It is an arithmetic number, because the mean of its divisors is an integer number (450566760).

Almost surely, 2^12297406660 is an apocalyptic number.

12297406660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12297406660 is an abundant number, since it is smaller than the sum of its proper divisors (20143400060).

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

12297406660 is a wasteful number, since it uses less digits than its factorization.

12297406660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725977 (or 725964 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 12297406660 in words is "twelve billion, two hundred ninety-seven million, four hundred six thousand, six hundred sixty".