12283394445 has 40 divisors (see below), whose sum is σ = 25164716544. Its totient is φ = 5615264736.

The previous prime is 12283394441. The next prime is 12283394447. The reversal of 12283394445 is 54449338221.

12283394445 is a `hidden beast` number, since 122 + 83 + 3 + 9 + 4 + 445 = 666.

It is not a de Polignac number, because 12283394445 - 2² = 12283394441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12283394445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12283394441) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2163549 + ... + 2169218.

Almost surely, 2^12283394445 is an apocalyptic number.

12283394445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12283394445 is an abundant number, since it is smaller than the sum of its proper divisors (12881322099).

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

12283394445 is an equidigital number, since it uses as much as digits as its factorization.

12283394445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332791 (or 4332782 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 12283394445 in words is "twelve billion, two hundred eighty-three million, three hundred ninety-four thousand, four hundred forty-five".