13120100121013 has 4 divisors (see below), whose sum is σ = 13120108390368. Its totient is φ = 13120091851660.

The previous prime is 13120100120999. The next prime is 13120100121017. The reversal of 13120100121013 is 31012100102131.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13120100121013 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 (13120100121017) 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, 923443 + ... + 5205088.

It is an arithmetic number, because the mean of its divisors is an integer number (3280027097592).

Almost surely, 2^{13120100121013} is an apocalyptic number.

It is an amenable number.

13120100121013 is a deficient number, since it is larger than the sum of its proper divisors (8269355).

13120100121013 is an equidigital number, since it uses as much as digits as its factorization.

13120100121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269354.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13120100121013 its reverse (31012100102131), we get a palindrome (44132200223144).

The spelling of 13120100121013 in words is "thirteen trillion, one hundred twenty billion, one hundred million, one hundred twenty-one thousand, thirteen".