12392778089252 has 192 divisors, whose sum is σ = 24540473422080. Its totient is φ = 5428182988800.

The previous prime is 12392778089233. The next prime is 12392778089257. The reversal of 12392778089252 is 25298087729321.

It is not an unprimeable number, because it can be changed into a prime (12392778089257) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 22907168102 + ... + 22907168642.

It is an arithmetic number, because the mean of its divisors is an integer number (127814965740).

Almost surely, 2^{12392778089252} is an apocalyptic number.

It is an amenable number.

12392778089252 is a deficient number, since it is larger than the sum of its proper divisors (12147695332828).

12392778089252 is a wasteful number, since it uses less digits than its factorization.

12392778089252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 12392778089252 in words is "twelve trillion, three hundred ninety-two billion, seven hundred seventy-eight million, eighty-nine thousand, two hundred fifty-two".