13120100121015 has 12 divisors (see below), whose sum is σ = 22741506876504. Its totient is φ = 6997386731184.

The previous prime is 13120100120999. The next prime is 13120100121017. The reversal of 13120100121015 is 51012100102131.

It is not a de Polignac number, because 13120100121015 - 2⁴ = 13120100120999 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 145778890189 + ... + 145778890278.

It is an arithmetic number, because the mean of its divisors is an integer number (1895125573042).

Almost surely, 2^{13120100121015} is an apocalyptic number.

13120100121015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13120100121015 is a deficient number, since it is larger than the sum of its proper divisors (9621406755489).

13120100121015 is a wasteful number, since it uses less digits than its factorization.

13120100121015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291557780478 (or 291557780475 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 13120100121015 its reverse (51012100102131), we get a palindrome (64132200223146).

The spelling of 13120100121015 in words is "thirteen trillion, one hundred twenty billion, one hundred million, one hundred twenty-one thousand, fifteen".