1296240447299 has 8 divisors (see below), whose sum is σ = 1481435161440. Its totient is φ = 1111050110016.

The previous prime is 1296240447277. The next prime is 1296240447317. The reversal of 1296240447299 is 9927440426921.

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

It is a de Polignac number, because none of the positive numbers 2^k-1296240447299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1296240447499) 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, 432944 + ... + 1667309.

It is an arithmetic number, because the mean of its divisors is an integer number (185179395180).

Almost surely, 2^{1296240447299} is an apocalyptic number.

1296240447299 is a deficient number, since it is larger than the sum of its proper divisors (185194714141).

1296240447299 is an equidigital number, since it uses as much as digits as its factorization.

1296240447299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188429.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 1296240447299 in words is "one trillion, two hundred ninety-six billion, two hundred forty million, four hundred forty-seven thousand, two hundred ninety-nine".