12502240240 has 160 divisors (see below), whose sum is σ = 33998716800. Its totient is φ = 4273790976.

The previous prime is 12502240229. The next prime is 12502240253. The reversal of 12502240240 is 4204220521.

It is a super-2 number, since 2×12502240240² (a number of 21 digits) contains 22 as substring.

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, 18466782 + ... + 18467458.

It is an arithmetic number, because the mean of its divisors is an integer number (212491980).

Almost surely, 2^12502240240 is an apocalyptic number.

12502240240 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 12502240240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16999358400).

12502240240 is an abundant number, since it is smaller than the sum of its proper divisors (21496476560).

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

12502240240 is an equidigital number, since it uses as much as digits as its factorization.

12502240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 12502240240 its reverse (4204220521), we get a palindrome (16706460761).

The spelling of 12502240240 in words is "twelve billion, five hundred two million, two hundred forty thousand, two hundred forty".