12448428720 has 160 divisors (see below), whose sum is σ = 47495626752. Its totient is φ = 2626477056.

The previous prime is 12448428709. The next prime is 12448428731. The reversal of 12448428720 is 2782484421.

It is an interprime number because it is at equal distance from previous prime (12448428709) and next prime (12448428731).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 263152 + ... + 306831.

Almost surely, 2^12448428720 is an apocalyptic number.

12448428720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12448428720 is an abundant number, since it is smaller than the sum of its proper divisors (35047198032).

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

12448428720 is a wasteful number, since it uses less digits than its factorization.

12448428720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570019 (or 570013 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 42.

The spelling of 12448428720 in words is "twelve billion, four hundred forty-eight million, four hundred twenty-eight thousand, seven hundred twenty".