13120020430032 has 40 divisors (see below), whose sum is σ = 34274210685120. Its totient is φ = 4324201488640.

The previous prime is 13120020430021. The next prime is 13120020430037. The reversal of 13120020430032 is 23003402002131.

It is a junction number, because it is equal to n+sod(n) for n = 13120020429990 and 13120020430008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120020430037) 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, 1535578644 + ... + 1535587187.

It is an arithmetic number, because the mean of its divisors is an integer number (856855267128).

Almost surely, 2^{13120020430032} is an apocalyptic number.

13120020430032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13120020430032 is an abundant number, since it is smaller than the sum of its proper divisors (21154190255088).

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

13120020430032 is a wasteful number, since it uses less digits than its factorization.

13120020430032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071165931 (or 3071165925 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13120020430032 its reverse (23003402002131), we get a palindrome (36123422432163).

The spelling of 13120020430032 in words is "thirteen trillion, one hundred twenty billion, twenty million, four hundred thirty thousand, thirty-two".