12389970303648 has 1536 divisors, whose sum is σ = 46039891968000. Its totient is φ = 3162395934720.

The previous prime is 12389970303619. The next prime is 12389970303649. The reversal of 12389970303648 is 84630307998321.

12389970303648 is a `hidden beast` number, since 1 + 238 + 9 + 9 + 7 + 0 + 30 + 364 + 8 = 666.

It is a super-2 number, since 2×12389970303648² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (12389970303649) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 35099065840 + ... + 35099066192.

It is an arithmetic number, because the mean of its divisors is an integer number (29973888000).

Almost surely, 2^{12389970303648} is an apocalyptic number.

12389970303648 is a gapful number since it is divisible by the number (18) 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 12389970303648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23019945984000).

12389970303648 is an abundant number, since it is smaller than the sum of its proper divisors (33649921664352).

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

12389970303648 is a wasteful number, since it uses less digits than its factorization.

12389970303648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 12389970303648 in words is "twelve trillion, three hundred eighty-nine billion, nine hundred seventy million, three hundred three thousand, six hundred forty-eight".