12297718338 has 32 divisors (see below), whose sum is σ = 25690234752. Its totient is φ = 3917126400.

The previous prime is 12297718333. The next prime is 12297718343. The reversal of 12297718338 is 83381779221.

12297718338 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12297718333) and next prime (12297718343).

It is not an unprimeable number, because it can be changed into a prime (12297718333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97258 + ... + 184538.

It is an arithmetic number, because the mean of its divisors is an integer number (802819836).

Almost surely, 2^12297718338 is an apocalyptic number.

12297718338 is an abundant number, since it is smaller than the sum of its proper divisors (13392516414).

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

12297718338 is a wasteful number, since it uses less digits than its factorization.

12297718338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88330.

The product of its digits is 1016064, while the sum is 51.

The spelling of 12297718338 in words is "twelve billion, two hundred ninety-seven million, seven hundred eighteen thousand, three hundred thirty-eight".