12392778088740 has 192 divisors, whose sum is σ = 39731541663744. Its totient is φ = 2827307331072.

The previous prime is 12392778088739. The next prime is 12392778088753. The reversal of 12392778088740 is 4788087729321.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 576746277 + ... + 576767763.

It is an arithmetic number, because the mean of its divisors is an integer number (206935112832).

Almost surely, 2^{12392778088740} is an apocalyptic number.

12392778088740 is a gapful number since it is divisible by the number (10) 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 12392778088740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19865770831872).

12392778088740 is an abundant number, since it is smaller than the sum of its proper divisors (27338763575004).

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

12392778088740 is a wasteful number, since it uses less digits than its factorization.

12392778088740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24026 (or 24024 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 66.

The spelling of 12392778088740 in words is "twelve trillion, three hundred ninety-two billion, seven hundred seventy-eight million, eighty-eight thousand, seven hundred forty".