12245165892 has 72 divisors (see below), whose sum is σ = 32957215200. Its totient is φ = 3820124928.

The previous prime is 12245165887. The next prime is 12245165939. The reversal of 12245165892 is 29856154221.

12245165892 is a `hidden beast` number, since 1 + 22 + 45 + 1 + 6 + 589 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53659 + ... + 165437.

It is an arithmetic number, because the mean of its divisors is an integer number (457739100).

Almost surely, 2^12245165892 is an apocalyptic number.

12245165892 is a gapful number since it is divisible by the number (12) 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 12245165892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16478607600).

12245165892 is an abundant number, since it is smaller than the sum of its proper divisors (20712049308).

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

12245165892 is a wasteful number, since it uses less digits than its factorization.

12245165892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111985 (or 111980 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 12245165892 in words is "twelve billion, two hundred forty-five million, one hundred sixty-five thousand, eight hundred ninety-two".