12030302231 has 2 divisors, whose sum is σ = 12030302232. Its totient is φ = 12030302230.

The previous prime is 12030302227. The next prime is 12030302239. The reversal of 12030302231 is 13220303021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12030302231 - 2² = 12030302227 is a prime.

It is a super-2 number, since 2×12030302231² (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 (12030302239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015151115 + 6015151116.

It is an arithmetic number, because the mean of its divisors is an integer number (6015151116).

Almost surely, 2^12030302231 is an apocalyptic number.

12030302231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030302231 is an equidigital number, since it uses as much as digits as its factorization.

12030302231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12030302231 its reverse (13220303021), we get a palindrome (25250605252).

The spelling of 12030302231 in words is "twelve billion, thirty million, three hundred two thousand, two hundred thirty-one".