12923294292 has 36 divisors (see below), whose sum is σ = 32741668960. Its totient is φ = 4297946832.

The previous prime is 12923294249. The next prime is 12923294299. The reversal of 12923294292 is 29249232921.

12923294292 is a `hidden beast` number, since 129 + 232 + 9 + 4 + 292 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923294299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393058 + ... + 424665.

Almost surely, 2^12923294292 is an apocalyptic number.

12923294292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12923294292 is an abundant number, since it is smaller than the sum of its proper divisors (19818374668).

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

12923294292 is a wasteful number, since it uses less digits than its factorization.

12923294292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818172 (or 818167 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The spelling of 12923294292 in words is "twelve billion, nine hundred twenty-three million, two hundred ninety-four thousand, two hundred ninety-two".