12693888266 has 8 divisors (see below), whose sum is σ = 19055723520. Its totient is φ = 6341980428.

The previous prime is 12693888227. The next prime is 12693888299. The reversal of 12693888266 is 66288839621.

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

It is a super-2 number, since 2×12693888266² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478656 + ... + 2483771.

It is an arithmetic number, because the mean of its divisors is an integer number (2381965440).

Almost surely, 2^12693888266 is an apocalyptic number.

12693888266 is a deficient number, since it is larger than the sum of its proper divisors (6361835254).

12693888266 is a wasteful number, since it uses less digits than its factorization.

12693888266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963708.

The product of its digits is 11943936, while the sum is 59.

The spelling of 12693888266 in words is "twelve billion, six hundred ninety-three million, eight hundred eighty-eight thousand, two hundred sixty-six".