1222012102231 has 2 divisors, whose sum is σ = 1222012102232. Its totient is φ = 1222012102230.

The previous prime is 1222012102219. The next prime is 1222012102273. The reversal of 1222012102231 is 1322012102221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222012102231 - 2²⁷ = 1221877884503 is a prime.

It is a super-2 number, since 2×1222012102231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222012102199 and 1222012102208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222072102231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611006051115 + 611006051116.

It is an arithmetic number, because the mean of its divisors is an integer number (611006051116).

Almost surely, 2^{1222012102231} is an apocalyptic number.

1222012102231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222012102231 is an equidigital number, since it uses as much as digits as its factorization.

1222012102231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1222012102231 its reverse (1322012102221), we get a palindrome (2544024204452).

The spelling of 1222012102231 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred two thousand, two hundred thirty-one".