1320122109999 has 48 divisors (see below), whose sum is σ = 2234045822976. Its totient is φ = 685664179200.

The previous prime is 1320122109989. The next prime is 1320122110019. The reversal of 1320122109999 is 9999012210231.

It is not a de Polignac number, because 1320122109999 - 2⁷ = 1320122109871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320122109919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10182514 + ... + 10311344.

It is an arithmetic number, because the mean of its divisors is an integer number (46542621312).

Almost surely, 2^{1320122109999} is an apocalyptic number.

1320122109999 is a deficient number, since it is larger than the sum of its proper divisors (913923712977).

1320122109999 is a wasteful number, since it uses less digits than its factorization.

1320122109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135196 (or 135189 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 48.

The spelling of 1320122109999 in words is "one trillion, three hundred twenty billion, one hundred twenty-two million, one hundred nine thousand, nine hundred ninety-nine".