12740902297 has 8 divisors (see below), whose sum is σ = 13492740456. Its totient is φ = 11989327872.

The previous prime is 12740902277. The next prime is 12740902309. The reversal of 12740902297 is 79220904721.

It can be written as a sum of positive squares in 4 ways, for example, as 1977047296 + 10763855001 = 44464^2 + 103749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12740902297 - 2⁷ = 12740902169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12740902277) 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, 38253 + ... + 164149.

It is an arithmetic number, because the mean of its divisors is an integer number (1686592557).

Almost surely, 2^12740902297 is an apocalyptic number.

12740902297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12740902297 is a deficient number, since it is larger than the sum of its proper divisors (751838159).

12740902297 is a wasteful number, since it uses less digits than its factorization.

12740902297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131867.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 12740902297 in words is "twelve billion, seven hundred forty million, nine hundred two thousand, two hundred ninety-seven".