13001424121 has 4 divisors (see below), whose sum is σ = 14858770432. Its totient is φ = 11144077812.

The previous prime is 13001424097. The next prime is 13001424127. The reversal of 13001424121 is 12142410031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13001424121 - 2⁹ = 13001423609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001424127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928673145 + ... + 928673158.

It is an arithmetic number, because the mean of its divisors is an integer number (3714692608).

Almost surely, 2^13001424121 is an apocalyptic number.

It is an amenable number.

13001424121 is a deficient number, since it is larger than the sum of its proper divisors (1857346311).

13001424121 is an equidigital number, since it uses as much as digits as its factorization.

13001424121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857346310.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13001424121 its reverse (12142410031), we get a palindrome (25143834152).

The spelling of 13001424121 in words is "thirteen billion, one million, four hundred twenty-four thousand, one hundred twenty-one".