12267355321 has 16 divisors (see below), whose sum is σ = 13259623104. Its totient is φ = 11282117184.

The previous prime is 12267355271. The next prime is 12267355333. The reversal of 12267355321 is 12355376221.

It is a happy number.

It is not a de Polignac number, because 12267355321 - 2⁹ = 12267354809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12267355361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6431850 + ... + 6433756.

It is an arithmetic number, because the mean of its divisors is an integer number (828726444).

Almost surely, 2^12267355321 is an apocalyptic number.

It is an amenable number.

12267355321 is a deficient number, since it is larger than the sum of its proper divisors (992267783).

12267355321 is a wasteful number, since it uses less digits than its factorization.

12267355321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480.

The product of its digits is 75600, while the sum is 37.

The spelling of 12267355321 in words is "twelve billion, two hundred sixty-seven million, three hundred fifty-five thousand, three hundred twenty-one".