12297831201649 has 12 divisors (see below), whose sum is σ = 14833315991424. Its totient is φ = 9986208793272.

The previous prime is 12297831201631. The next prime is 12297831201671. The reversal of 12297831201649 is 94610213879221.

It is not a de Polignac number, because 12297831201649 - 2⁷ = 12297831201521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12297831201649.

It is not an unprimeable number, because it can be changed into a prime (12297831201619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2433284217 + ... + 2433289270.

It is an arithmetic number, because the mean of its divisors is an integer number (1236109665952).

Almost surely, 2^{12297831201649} is an apocalyptic number.

12297831201649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12297831201649 is a deficient number, since it is larger than the sum of its proper divisors (2535484789775).

12297831201649 is an equidigital number, since it uses as much as digits as its factorization.

12297831201649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866573532 (or 4866573513 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 12297831201649 in words is "twelve trillion, two hundred ninety-seven billion, eight hundred thirty-one million, two hundred one thousand, six hundred forty-nine".