13120404401001 has 16 divisors (see below), whose sum is σ = 17733716142464. Its totient is φ = 8627017186944.

The previous prime is 13120404400979. The next prime is 13120404401017. The reversal of 13120404401001 is 10010440402131.

It is not a de Polignac number, because 13120404401001 - 2⁹ = 13120404400489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120404409001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22451820 + ... + 23028786.

It is an arithmetic number, because the mean of its divisors is an integer number (1108357258904).

Almost surely, 2^{13120404401001} is an apocalyptic number.

It is an amenable number.

13120404401001 is a deficient number, since it is larger than the sum of its proper divisors (4613311741463).

13120404401001 is a wasteful number, since it uses less digits than its factorization.

13120404401001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680880.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 13120404401001 its reverse (10010440402131), we get a palindrome (23130844803132).

The spelling of 13120404401001 in words is "thirteen trillion, one hundred twenty billion, four hundred four million, four hundred one thousand, one".