13012321120 has 48 divisors (see below), whose sum is σ = 30748869648. Its totient is φ = 5203699200.

The previous prime is 13012321103. The next prime is 13012321187. The reversal of 13012321120 is 2112321031.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 13012321094 and 13012321103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001707 + ... + 1014613.

It is an arithmetic number, because the mean of its divisors is an integer number (640601451).

Almost surely, 2^13012321120 is an apocalyptic number.

13012321120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012321120 is an abundant number, since it is smaller than the sum of its proper divisors (17736548528).

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

13012321120 is a wasteful number, since it uses less digits than its factorization.

13012321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19223 (or 19215 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13012321120 its reverse (2112321031), we get a palindrome (15124642151).

The spelling of 13012321120 in words is "thirteen billion, twelve million, three hundred twenty-one thousand, one hundred twenty".