12170069405894 has 16 divisors (see below), whose sum is σ = 18335427717120. Its totient is φ = 6058261926720.

The previous prime is 12170069405887. The next prime is 12170069405941. The reversal of 12170069405894 is 49850496007121.

It is a super-2 number, since 2×12170069405894² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13920827 + ... + 14769209.

It is an arithmetic number, because the mean of its divisors is an integer number (1145964232320).

Almost surely, 2^{12170069405894} is an apocalyptic number.

12170069405894 is a deficient number, since it is larger than the sum of its proper divisors (6165358311226).

12170069405894 is a wasteful number, since it uses less digits than its factorization.

12170069405894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879935.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 12170069405894 in words is "twelve trillion, one hundred seventy billion, sixty-nine million, four hundred five thousand, eight hundred ninety-four".