12119220978066 has 24 divisors (see below), whose sum is σ = 26302149057600. Its totient is φ = 4032996181656.

The previous prime is 12119220977989. The next prime is 12119220978089. The reversal of 12119220978066 is 66087902291121.

It is a happy number.

12119220978066 is a `hidden beast` number, since 1 + 211 + 92 + 209 + 7 + 80 + 66 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562000950 + ... + 562022513.

It is an arithmetic number, because the mean of its divisors is an integer number (1095922877400).

Almost surely, 2^{12119220978066} is an apocalyptic number.

12119220978066 is an abundant number, since it is smaller than the sum of its proper divisors (14182928079534).

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

12119220978066 is a wasteful number, since it uses less digits than its factorization.

12119220978066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124024070 (or 1124024067 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 12119220978066 in words is "twelve trillion, one hundred nineteen billion, two hundred twenty million, nine hundred seventy-eight thousand, sixty-six".