12245978292 has 12 divisors (see below), whose sum is σ = 28573949376. Its totient is φ = 4081992760.

The previous prime is 12245978273. The next prime is 12245978309. The reversal of 12245978292 is 29287954221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 510249084 + ... + 510249107.

It is an arithmetic number, because the mean of its divisors is an integer number (2381162448).

Almost surely, 2^12245978292 is an apocalyptic number.

12245978292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12245978292 is an abundant number, since it is smaller than the sum of its proper divisors (16327971084).

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

12245978292 is a wasteful number, since it uses less digits than its factorization.

12245978292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020498198 (or 1020498196 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The spelling of 12245978292 in words is "twelve billion, two hundred forty-five million, nine hundred seventy-eight thousand, two hundred ninety-two".