12297326340 has 96 divisors (see below), whose sum is σ = 37709804160. Its totient is φ = 2975717376.

The previous prime is 12297326339. The next prime is 12297326351. The reversal of 12297326340 is 4362379221.

It is a super-2 number, since 2×12297326340² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87589 + ... + 179628.

It is an arithmetic number, because the mean of its divisors is an integer number (392810460).

Almost surely, 2^12297326340 is an apocalyptic number.

12297326340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12297326340 is an abundant number, since it is smaller than the sum of its proper divisors (25412477820).

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

12297326340 is a wasteful number, since it uses less digits than its factorization.

12297326340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267301 (or 267299 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 12297326340 in words is "twelve billion, two hundred ninety-seven million, three hundred twenty-six thousand, three hundred forty".