12412267666 has 8 divisors (see below), whose sum is σ = 18626169600. Its totient is φ = 6203544468.

The previous prime is 12412267663. The next prime is 12412267667. The reversal of 12412267666 is 66676221421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12412267666² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12412267663) 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, 1288686 + ... + 1298281.

It is an arithmetic number, because the mean of its divisors is an integer number (2328271200).

Almost surely, 2^12412267666 is an apocalyptic number.

12412267666 is a deficient number, since it is larger than the sum of its proper divisors (6213901934).

12412267666 is a wasteful number, since it uses less digits than its factorization.

12412267666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589368.

The product of its digits is 290304, while the sum is 43.

The spelling of 12412267666 in words is "twelve billion, four hundred twelve million, two hundred sixty-seven thousand, six hundred sixty-six".