12432213149 has 2 divisors, whose sum is σ = 12432213150. Its totient is φ = 12432213148.

The previous prime is 12432213137. The next prime is 12432213163. The reversal of 12432213149 is 94131223421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10764062500 + 1668150649 = 103750^2 + 40843^2 .

It is an emirp because it is prime and its reverse (94131223421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12432213149 - 2⁸ = 12432212893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432213179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216106574 + 6216106575.

It is an arithmetic number, because the mean of its divisors is an integer number (6216106575).

Almost surely, 2^12432213149 is an apocalyptic number.

It is an amenable number.

12432213149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432213149 is an equidigital number, since it uses as much as digits as its factorization.

12432213149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The spelling of 12432213149 in words is "twelve billion, four hundred thirty-two million, two hundred thirteen thousand, one hundred forty-nine".