12267367449 has 16 divisors (see below), whose sum is σ = 16486132800. Its totient is φ = 8113602816.

The previous prime is 12267367447. The next prime is 12267367471. The reversal of 12267367449 is 94476376221.

It is a happy number.

It is not a de Polignac number, because 12267367449 - 2¹ = 12267367447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12267367447) 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, 256197 + ... + 300285.

It is an arithmetic number, because the mean of its divisors is an integer number (1030383300).

Almost surely, 2^12267367449 is an apocalyptic number.

It is an amenable number.

12267367449 is a deficient number, since it is larger than the sum of its proper divisors (4218765351).

12267367449 is a wasteful number, since it uses less digits than its factorization.

12267367449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44824.

The product of its digits is 3048192, while the sum is 51.

The spelling of 12267367449 in words is "twelve billion, two hundred sixty-seven million, three hundred sixty-seven thousand, four hundred forty-nine".