12042302231 has 2 divisors, whose sum is σ = 12042302232. Its totient is φ = 12042302230.

The previous prime is 12042302183. The next prime is 12042302269. The reversal of 12042302231 is 13220324021.

It is a strong prime.

It is an emirp because it is prime and its reverse (13220324021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12042302231 - 2¹⁰ = 12042301207 is a prime.

It is a super-2 number, since 2×12042302231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042302281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021151115 + 6021151116.

It is an arithmetic number, because the mean of its divisors is an integer number (6021151116).

Almost surely, 2^12042302231 is an apocalyptic number.

12042302231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042302231 is an equidigital number, since it uses as much as digits as its factorization.

12042302231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12042302231 its reverse (13220324021), we get a palindrome (25262626252).

The spelling of 12042302231 in words is "twelve billion, forty-two million, three hundred two thousand, two hundred thirty-one".