12520241670 has 64 divisors (see below), whose sum is σ = 30908143296. Its totient is φ = 3243502080.

The previous prime is 12520241641. The next prime is 12520241683. The reversal of 12520241670 is 7614202521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 743140 + ... + 759800.

It is an arithmetic number, because the mean of its divisors is an integer number (482939739).

Almost surely, 2^12520241670 is an apocalyptic number.

12520241670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12520241670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15454071648).

12520241670 is an abundant number, since it is smaller than the sum of its proper divisors (18387901626).

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

12520241670 is a wasteful number, since it uses less digits than its factorization.

12520241670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 12520241670 in words is "twelve billion, five hundred twenty million, two hundred forty-one thousand, six hundred seventy".