1012223212331 has 2 divisors, whose sum is σ = 1012223212332. Its totient is φ = 1012223212330.

The previous prime is 1012223212291. The next prime is 1012223212339. The reversal of 1012223212331 is 1332123222101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012223212331 - 2³⁸ = 737345305387 is a prime.

It is a super-2 number, since 2×1012223212331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012223212297 and 1012223212306.

It is not a weakly prime, because it can be changed into another prime (1012223212339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506111606165 + 506111606166.

It is an arithmetic number, because the mean of its divisors is an integer number (506111606166).

Almost surely, 2^{1012223212331} is an apocalyptic number.

1012223212331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012223212331 is an equidigital number, since it uses as much as digits as its factorization.

1012223212331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1012223212331 its reverse (1332123222101), we get a palindrome (2344346434432).

The spelling of 1012223212331 in words is "one trillion, twelve billion, two hundred twenty-three million, two hundred twelve thousand, three hundred thirty-one".