12220030231 has 2 divisors, whose sum is σ = 12220030232. Its totient is φ = 12220030230.

The previous prime is 12220030223. The next prime is 12220030243. The reversal of 12220030231 is 13203002221.

It is a weak prime.

It is an emirp because it is prime and its reverse (13203002221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12220030231 - 2³ = 12220030223 is a prime.

It is a super-2 number, since 2×12220030231² (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 (12220030201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110015115 + 6110015116.

It is an arithmetic number, because the mean of its divisors is an integer number (6110015116).

Almost surely, 2^12220030231 is an apocalyptic number.

12220030231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220030231 is an equidigital number, since it uses as much as digits as its factorization.

12220030231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12220030231 its reverse (13203002221), we get a palindrome (25423032452).

The spelling of 12220030231 in words is "twelve billion, two hundred twenty million, thirty thousand, two hundred thirty-one".