12459847680 has 1040 divisors, whose sum is σ = 54233593920. Its totient is φ = 2675441664.

The previous prime is 12459847669. The next prime is 12459847691. The reversal of 12459847680 is 8674895421.

It is a happy number.

12459847680 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 98 + 476 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (12459847669) and next prime (12459847691).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 336752622 + ... + 336752658.

Almost surely, 2^12459847680 is an apocalyptic number.

12459847680 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 12459847680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27116796960).

12459847680 is an abundant number, since it is smaller than the sum of its proper divisors (41773746240).

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

12459847680 is an equidigital number, since it uses as much as digits as its factorization.

12459847680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 12459847680 in words is "twelve billion, four hundred fifty-nine million, eight hundred forty-seven thousand, six hundred eighty".