13124420999 has 8 divisors (see below), whose sum is σ = 13473398400. Its totient is φ = 12777432696.

The previous prime is 13124420993. The next prime is 13124421001. The reversal of 13124420999 is 99902442131.

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-13124420999 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 (13124420993) 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, 483899 + ... + 510300.

It is an arithmetic number, because the mean of its divisors is an integer number (1684174800).

Almost surely, 2^13124420999 is an apocalyptic number.

13124420999 is a deficient number, since it is larger than the sum of its proper divisors (348977401).

13124420999 is an equidigital number, since it uses as much as digits as its factorization.

13124420999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994549.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 13124420999 in words is "thirteen billion, one hundred twenty-four million, four hundred twenty thousand, nine hundred ninety-nine".