1312220212411 has 2 divisors, whose sum is σ = 1312220212412. Its totient is φ = 1312220212410.

The previous prime is 1312220212367. The next prime is 1312220212481. The reversal of 1312220212411 is 1142120222131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312220212411 - 2³³ = 1303630277819 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312220212481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656110106205 + 656110106206.

It is an arithmetic number, because the mean of its divisors is an integer number (656110106206).

Almost surely, 2^{1312220212411} is an apocalyptic number.

1312220212411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312220212411 is an equidigital number, since it uses as much as digits as its factorization.

1312220212411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1312220212411 its reverse (1142120222131), we get a palindrome (2454340434542).

The spelling of 1312220212411 in words is "one trillion, three hundred twelve billion, two hundred twenty million, two hundred twelve thousand, four hundred eleven".