13120120001213 has 4 divisors (see below), whose sum is σ = 13142471143200. Its totient is φ = 13097768859228.

The previous prime is 13120120001159. The next prime is 13120120001257. The reversal of 13120120001213 is 31210002102131.

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 a cyclic number.

It is not a de Polignac number, because 13120120001213 - 2¹⁶ = 13120119935677 is a prime.

It is a super-2 number, since 2×13120120001213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13120120001191 and 13120120001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120120001273) 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, 11175570113 + ... + 11175571286.

It is an arithmetic number, because the mean of its divisors is an integer number (3285617785800).

Almost surely, 2^{13120120001213} is an apocalyptic number.

It is an amenable number.

13120120001213 is a deficient number, since it is larger than the sum of its proper divisors (22351141987).

13120120001213 is an equidigital number, since it uses as much as digits as its factorization.

13120120001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22351141986.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13120120001213 its reverse (31210002102131), we get a palindrome (44330122103344).

The spelling of 13120120001213 in words is "thirteen trillion, one hundred twenty billion, one hundred twenty million, one thousand, two hundred thirteen".