12446350320 has 80 divisors (see below), whose sum is σ = 39524782752. Its totient is φ = 3238072320.

The previous prime is 12446350289. The next prime is 12446350331. The reversal of 12446350320 is 2305364421.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 622597 + ... + 642276.

Almost surely, 2^12446350320 is an apocalyptic number.

12446350320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12446350320 is an abundant number, since it is smaller than the sum of its proper divisors (27078432432).

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

12446350320 is a wasteful number, since it uses less digits than its factorization.

12446350320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264930 (or 1264924 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 12446350320 in words is "twelve billion, four hundred forty-six million, three hundred fifty thousand, three hundred twenty".