1230212231 has 2 divisors, whose sum is σ = 1230212232. Its totient is φ = 1230212230.

The previous prime is 1230212213. The next prime is 1230212233. The reversal of 1230212231 is 1322120321.

Together with previous prime (1230212213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230212231 - 2²⁶ = 1163103367 is a prime.

It is a super-2 number, since 2×1230212231² = 3026844266603994722, which contains 22 as substring.

Together with 1230212233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230212233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615106115 + 615106116.

It is an arithmetic number, because the mean of its divisors is an integer number (615106116).

Almost surely, 2^1230212231 is an apocalyptic number.

1230212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230212231 is an equidigital number, since it uses as much as digits as its factorization.

1230212231 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 17.

The square root of 1230212231 is about 35074.3814058067. The cubic root of 1230212231 is about 1071.5028902802.

Adding to 1230212231 its reverse (1322120321), we get a palindrome (2552332552).

The spelling of 1230212231 in words is "one billion, two hundred thirty million, two hundred twelve thousand, two hundred thirty-one".