1299974998720 has 56 divisors (see below), whose sum is σ = 3108851332704. Its totient is φ = 517758253056.

The previous prime is 1299974998717. The next prime is 1299974998747. The reversal of 1299974998720 is 278994799921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8643084 + ... + 8792203.

Almost surely, 2^{1299974998720} is an apocalyptic number.

1299974998720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1299974998720 is an abundant number, since it is smaller than the sum of its proper divisors (1808876333984).

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

1299974998720 is a wasteful number, since it uses less digits than its factorization.

1299974998720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17435537 (or 17435527 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 76.

The spelling of 1299974998720 in words is "one trillion, two hundred ninety-nine billion, nine hundred seventy-four million, nine hundred ninety-eight thousand, seven hundred twenty".