13203300012120 has 128 divisors (see below), whose sum is σ = 44013776241600. Its totient is φ = 3520657907712.

The previous prime is 13203300012113. The next prime is 13203300012131. The reversal of 13203300012120 is 2121000330231.

13203300012120 is a `hidden beast` number, since 1 + 320 + 3 + 300 + 0 + 1 + 21 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13203300012093 and 13203300012102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17110954 + ... + 17865926.

Almost surely, 2^{13203300012120} is an apocalyptic number.

13203300012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13203300012120 is an abundant number, since it is smaller than the sum of its proper divisors (30810476229480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13203300012120 is a wasteful number, since it uses less digits than its factorization.

13203300012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771186 (or 771176 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13203300012120 its reverse (2121000330231), we get a palindrome (15324300342351).

The spelling of 13203300012120 in words is "thirteen trillion, two hundred three billion, three hundred million, twelve thousand, one hundred twenty".