1312222022311 has 2 divisors, whose sum is σ = 1312222022312. Its totient is φ = 1312222022310.

The previous prime is 1312222022303. The next prime is 1312222022327. The reversal of 1312222022311 is 1132202222131.

It is a weak prime.

It is an emirp because it is prime and its reverse (1132202222131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312222022311 - 2³ = 1312222022303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312222022381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656111011155 + 656111011156.

It is an arithmetic number, because the mean of its divisors is an integer number (656111011156).

Almost surely, 2^{1312222022311} is an apocalyptic number.

1312222022311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312222022311 is an equidigital number, since it uses as much as digits as its factorization.

1312222022311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1312222022311 its reverse (1132202222131), we get a palindrome (2444424244442).

The spelling of 1312222022311 in words is "one trillion, three hundred twelve billion, two hundred twenty-two million, twenty-two thousand, three hundred eleven".