13012343120 has 40 divisors (see below), whose sum is σ = 34575656064. Its totient is φ = 4461374592.

The previous prime is 13012343119. The next prime is 13012343171. The reversal of 13012343120 is 2134321031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×13012343120² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 13012343092 and 13012343101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11617604 + ... + 11618723.

Almost surely, 2^13012343120 is an apocalyptic number.

13012343120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012343120 is an abundant number, since it is smaller than the sum of its proper divisors (21563312944).

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

13012343120 is a wasteful number, since it uses less digits than its factorization.

13012343120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23236347 (or 23236341 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13012343120 its reverse (2134321031), we get a palindrome (15146664151).

The spelling of 13012343120 in words is "thirteen billion, twelve million, three hundred forty-three thousand, one hundred twenty".