12243620487480 has 128 divisors (see below), whose sum is σ = 36949309470720. Its totient is φ = 3245554137600.

The previous prime is 12243620487407. The next prime is 12243620487487. The reversal of 12243620487480 is 8478402634221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243620487487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133877049 + ... + 133968471.

It is an arithmetic number, because the mean of its divisors is an integer number (288666480240).

Almost surely, 2^{12243620487480} is an apocalyptic number.

12243620487480 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 12243620487480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18474654735360).

12243620487480 is an abundant number, since it is smaller than the sum of its proper divisors (24705688983240).

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

12243620487480 is a wasteful number, since it uses less digits than its factorization.

12243620487480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98061 (or 98057 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 51.

The spelling of 12243620487480 in words is "twelve trillion, two hundred forty-three billion, six hundred twenty million, four hundred eighty-seven thousand, four hundred eighty".