12566270120 has 128 divisors (see below), whose sum is σ = 31070096640. Its totient is φ = 4554977280.

The previous prime is 12566270117. The next prime is 12566270131. The reversal of 12566270120 is 2107266521.

It is a super-2 number, since 2×12566270120² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2073014 + ... + 2079066.

It is an arithmetic number, because the mean of its divisors is an integer number (242735130).

Almost surely, 2^12566270120 is an apocalyptic number.

12566270120 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 12566270120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15535048320).

12566270120 is an abundant number, since it is smaller than the sum of its proper divisors (18503826520).

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

12566270120 is a wasteful number, since it uses less digits than its factorization.

12566270120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195 (or 6191 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 12566270120 in words is "twelve billion, five hundred sixty-six million, two hundred seventy thousand, one hundred twenty".