12432154291 has 2 divisors, whose sum is σ = 12432154292. Its totient is φ = 12432154290.

The previous prime is 12432154243. The next prime is 12432154313. The reversal of 12432154291 is 19245123421.

It is a strong prime.

It is an emirp because it is prime and its reverse (19245123421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12432154291 - 2¹³ = 12432146099 is a prime.

It is not a weakly prime, because it can be changed into another prime (12432154211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216077145 + 6216077146.

It is an arithmetic number, because the mean of its divisors is an integer number (6216077146).

Almost surely, 2^12432154291 is an apocalyptic number.

12432154291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432154291 is an equidigital number, since it uses as much as digits as its factorization.

12432154291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The spelling of 12432154291 in words is "twelve billion, four hundred thirty-two million, one hundred fifty-four thousand, two hundred ninety-one".