12122546668 has 12 divisors (see below), whose sum is σ = 22331007160. Its totient is φ = 5742258912.

The previous prime is 12122546663. The next prime is 12122546669. The reversal of 12122546668 is 86664522121.

It is a super-2 number, since 2×12122546668² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12122546663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79753521 + ... + 79753672.

Almost surely, 2^12122546668 is an apocalyptic number.

It is an amenable number.

12122546668 is a deficient number, since it is larger than the sum of its proper divisors (10208460492).

12122546668 is a wasteful number, since it uses less digits than its factorization.

12122546668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159507216 (or 159507214 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The spelling of 12122546668 in words is "twelve billion, one hundred twenty-two million, five hundred forty-six thousand, six hundred sixty-eight".