12271294685 has 16 divisors (see below), whose sum is σ = 16692936960. Its totient is φ = 8584937280.

The previous prime is 12271294643. The next prime is 12271294691. The reversal of 12271294685 is 58649217221.

It is not a de Polignac number, because 12271294685 - 2⁸ = 12271294429 is a prime.

It is a super-2 number, since 2×12271294685² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4966901 + ... + 4969370.

It is an arithmetic number, because the mean of its divisors is an integer number (1043308560).

Almost surely, 2^12271294685 is an apocalyptic number.

It is an amenable number.

12271294685 is a deficient number, since it is larger than the sum of its proper divisors (4421642275).

12271294685 is a wasteful number, since it uses less digits than its factorization.

12271294685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936308.

The product of its digits is 483840, while the sum is 47.

The spelling of 12271294685 in words is "twelve billion, two hundred seventy-one million, two hundred ninety-four thousand, six hundred eighty-five".