1299247342916 has 12 divisors (see below), whose sum is σ = 2273691145488. Its totient is φ = 649621301352.

The previous prime is 1299247342871. The next prime is 1299247342927. The reversal of 1299247342916 is 6192437429921.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344395 + ... + 2099021.

It is an arithmetic number, because the mean of its divisors is an integer number (189474262124).

Almost surely, 2^{1299247342916} is an apocalyptic number.

It is an amenable number.

1299247342916 is a deficient number, since it is larger than the sum of its proper divisors (974443802572).

1299247342916 is a wasteful number, since it uses less digits than its factorization.

1299247342916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185058 (or 1185056 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 59.

The spelling of 1299247342916 in words is "one trillion, two hundred ninety-nine billion, two hundred forty-seven million, three hundred forty-two thousand, nine hundred sixteen".