12446589120 has 112 divisors (see below), whose sum is σ = 45163362048. Its totient is φ = 2844933120.

The previous prime is 12446589091. The next prime is 12446589131. The reversal of 12446589120 is 2198564421.

It is a tau number, because it is divible by the number of its divisors (112).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 919366 + ... + 932805.

It is an arithmetic number, because the mean of its divisors is an integer number (403244304).

Almost surely, 2^12446589120 is an apocalyptic number.

12446589120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12446589120 is an abundant number, since it is smaller than the sum of its proper divisors (32716772928).

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

12446589120 is a wasteful number, since it uses less digits than its factorization.

12446589120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852198 (or 1852188 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 12446589120 in words is "twelve billion, four hundred forty-six million, five hundred eighty-nine thousand, one hundred twenty".