12267676221 has 32 divisors (see below), whose sum is σ = 18655100928. Its totient is φ = 7125169920.

The previous prime is 12267676181. The next prime is 12267676231.

12267676221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12267676221 - 2¹¹ = 12267674173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267676231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132321 + ... + 205046.

It is an arithmetic number, because the mean of its divisors is an integer number (582971904).

Almost surely, 2^12267676221 is an apocalyptic number.

It is an amenable number.

12267676221 is a deficient number, since it is larger than the sum of its proper divisors (6387424707).

12267676221 is a wasteful number, since it uses less digits than its factorization.

12267676221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337441.

The product of its digits is 169344, while the sum is 42.

The spelling of 12267676221 in words is "twelve billion, two hundred sixty-seven million, six hundred seventy-six thousand, two hundred twenty-one".