12297324028 has 12 divisors (see below), whose sum is σ = 23476709592. Its totient is φ = 5589692720.

The previous prime is 12297324007. The next prime is 12297324043. The reversal of 12297324028 is 82042379221.

It is a happy number.

It is a super-2 number, since 2×12297324028² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139742275 + ... + 139742362.

It is an arithmetic number, because the mean of its divisors is an integer number (1956392466).

Almost surely, 2^12297324028 is an apocalyptic number.

It is an amenable number.

12297324028 is a deficient number, since it is larger than the sum of its proper divisors (11179385564).

12297324028 is a wasteful number, since it uses less digits than its factorization.

12297324028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279484652 (or 279484650 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12297324028 in words is "twelve billion, two hundred ninety-seven million, three hundred twenty-four thousand, twenty-eight".