13021232999 has 8 divisors (see below), whose sum is σ = 13156461840. Its totient is φ = 12886128000.

The previous prime is 13021232993. The next prime is 13021233037. The reversal of 13021232999 is 99923212031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13021232999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021232993) 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, 188432 + ... + 248090.

It is an arithmetic number, because the mean of its divisors is an integer number (1644557730).

Almost surely, 2^13021232999 is an apocalyptic number.

13021232999 is a deficient number, since it is larger than the sum of its proper divisors (135228841).

13021232999 is a wasteful number, since it uses less digits than its factorization.

13021232999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61921.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 13021232999 in words is "thirteen billion, twenty-one million, two hundred thirty-two thousand, nine hundred ninety-nine".