12982015120 has 80 divisors (see below), whose sum is σ = 32012093952. Its totient is φ = 4885562880.

The previous prime is 12982015117. The next prime is 12982015121. The reversal of 12982015120 is 2151028921.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12982015120² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12982015121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54409 + ... + 170071.

Almost surely, 2^12982015120 is an apocalyptic number.

12982015120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12982015120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16006046976).

12982015120 is an abundant number, since it is smaller than the sum of its proper divisors (19030078832).

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

12982015120 is a wasteful number, since it uses less digits than its factorization.

12982015120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115760 (or 115754 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 12982015120 in words is "twelve billion, nine hundred eighty-two million, fifteen thousand, one hundred twenty".