13120433300 has 54 divisors (see below), whose sum is σ = 30829952538. Its totient is φ = 4844461440.

The previous prime is 13120433297. The next prime is 13120433317. The reversal of 13120433300 is 333402131.

It can be written as a sum of positive squares in 9 ways, for example, as 3565761796 + 9554671504 = 59714^2 + 97748^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 371279 + ... + 405078.

It is an arithmetic number, because the mean of its divisors is an integer number (570925047).

Almost surely, 2^13120433300 is an apocalyptic number.

13120433300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120433300 is an abundant number, since it is smaller than the sum of its proper divisors (17709519238).

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

13120433300 is a wasteful number, since it uses less digits than its factorization.

13120433300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776397 (or 776377 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13120433300 its reverse (333402131), we get a palindrome (13453835431).

The spelling of 13120433300 in words is "thirteen billion, one hundred twenty million, four hundred thirty-three thousand, three hundred".