1212333312263 has 2 divisors, whose sum is σ = 1212333312264. Its totient is φ = 1212333312262.

The previous prime is 1212333312247. The next prime is 1212333312269. The reversal of 1212333312263 is 3622133332121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212333312263 - 2⁴ = 1212333312247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212333312269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606166656131 + 606166656132.

It is an arithmetic number, because the mean of its divisors is an integer number (606166656132).

Almost surely, 2^{1212333312263} is an apocalyptic number.

1212333312263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212333312263 is an equidigital number, since it uses as much as digits as its factorization.

1212333312263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 32.

Adding to 1212333312263 its reverse (3622133332121), we get a palindrome (4834466644384).

The spelling of 1212333312263 in words is "one trillion, two hundred twelve billion, three hundred thirty-three million, three hundred twelve thousand, two hundred sixty-three".