12167744453 has 4 divisors (see below), whose sum is σ = 12168405600. Its totient is φ = 12167083308.

The previous prime is 12167744411. The next prime is 12167744521. The reversal of 12167744453 is 35444776121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12167744453 - 2¹² = 12167740357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12167744753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302153 + ... + 340046.

It is an arithmetic number, because the mean of its divisors is an integer number (3042101400).

Almost surely, 2^12167744453 is an apocalyptic number.

It is an amenable number.

12167744453 is a deficient number, since it is larger than the sum of its proper divisors (661147).

12167744453 is an equidigital number, since it uses as much as digits as its factorization.

12167744453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661146.

The product of its digits is 564480, while the sum is 44.

The spelling of 12167744453 in words is "twelve billion, one hundred sixty-seven million, seven hundred forty-four thousand, four hundred fifty-three".