13120020430008 has 32 divisors (see below), whose sum is σ = 32827544902800. Its totient is φ = 4369674299648.

The previous prime is 13120020430001. The next prime is 13120020430019. The reversal of 13120020430008 is 80003402002131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13120020430008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120020430001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229086003 + ... + 229143266.

Almost surely, 2^{13120020430008} is an apocalyptic number.

It is an amenable number.

13120020430008 is an abundant number, since it is smaller than the sum of its proper divisors (19707524472792).

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

13120020430008 is a wasteful number, since it uses less digits than its factorization.

13120020430008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458230471 (or 458230467 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13120020430008 its reverse (80003402002131), we get a palindrome (93123422432139).

The spelling of 13120020430008 in words is "thirteen trillion, one hundred twenty billion, twenty million, four hundred thirty thousand, eight".