12019927392 has 384 divisors, whose sum is σ = 39713587200. Its totient is φ = 3505420800.

The previous prime is 12019927363. The next prime is 12019927393. The reversal of 12019927392 is 29372991021.

12019927392 is a `hidden beast` number, since 1 + 201 + 99 + 273 + 92 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12019927393) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31714659 + ... + 31715037.

It is an arithmetic number, because the mean of its divisors is an integer number (103420800).

Almost surely, 2^12019927392 is an apocalyptic number.

12019927392 is a gapful number since it is divisible by the number (12) 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 12019927392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19856793600).

12019927392 is an abundant number, since it is smaller than the sum of its proper divisors (27693659808).

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

12019927392 is a wasteful number, since it uses less digits than its factorization.

12019927392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 12019927392 in words is "twelve billion, nineteen million, nine hundred twenty-seven thousand, three hundred ninety-two".