12602112440 has 64 divisors (see below), whose sum is σ = 28766223360. Its totient is φ = 4967992960.

The previous prime is 12602112433. The next prime is 12602112451. The reversal of 12602112440 is 4421120621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426517 + ... + 1435323.

It is an arithmetic number, because the mean of its divisors is an integer number (449472240).

Almost surely, 2^12602112440 is an apocalyptic number.

12602112440 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 12602112440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14383111680).

12602112440 is an abundant number, since it is smaller than the sum of its proper divisors (16164110920).

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

12602112440 is a wasteful number, since it uses less digits than its factorization.

12602112440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9332 (or 9328 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 12602112440 in words is "twelve billion, six hundred two million, one hundred twelve thousand, four hundred forty".