12356906669 has 8 divisors (see below), whose sum is σ = 12613944960. Its totient is φ = 12102174000.

The previous prime is 12356906543. The next prime is 12356906713. The reversal of 12356906669 is 96660965321.

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

It is a cyclic number.

It is not a de Polignac number, because 12356906669 - 2¹² = 12356902573 is a prime.

It is a super-2 number, since 2×12356906669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12356906669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12356902669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565574 + ... + 587015.

It is an arithmetic number, because the mean of its divisors is an integer number (1576743120).

Almost surely, 2^12356906669 is an apocalyptic number.

It is an amenable number.

12356906669 is a deficient number, since it is larger than the sum of its proper divisors (257038291).

12356906669 is a wasteful number, since it uses less digits than its factorization.

12356906669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152811.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 12356906669 in words is "twelve billion, three hundred fifty-six million, nine hundred six thousand, six hundred sixty-nine".