12267724219 has 2 divisors, whose sum is σ = 12267724220. Its totient is φ = 12267724218.

The previous prime is 12267724207. The next prime is 12267724237. The reversal of 12267724219 is 91242776221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12267724219 - 2¹⁷ = 12267593147 is a prime.

It is a super-2 number, since 2×12267724219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12267724019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6133862109 + 6133862110.

It is an arithmetic number, because the mean of its divisors is an integer number (6133862110).

Almost surely, 2^12267724219 is an apocalyptic number.

12267724219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12267724219 is an equidigital number, since it uses as much as digits as its factorization.

12267724219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The spelling of 12267724219 in words is "twelve billion, two hundred sixty-seven million, seven hundred twenty-four thousand, two hundred nineteen".