1213522322041 has 2 divisors, whose sum is σ = 1213522322042. Its totient is φ = 1213522322040.

The previous prime is 1213522322003. The next prime is 1213522322057. The reversal of 1213522322041 is 1402232253121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 670058482041 + 543463840000 = 818571^2 + 737200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213522322041 - 2¹⁹ = 1213521797753 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213522320041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606761161020 + 606761161021.

It is an arithmetic number, because the mean of its divisors is an integer number (606761161021).

Almost surely, 2^{1213522322041} is an apocalyptic number.

It is an amenable number.

1213522322041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213522322041 is an equidigital number, since it uses as much as digits as its factorization.

1213522322041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1213522322041 its reverse (1402232253121), we get a palindrome (2615754575162).

The spelling of 1213522322041 in words is "one trillion, two hundred thirteen billion, five hundred twenty-two million, three hundred twenty-two thousand, forty-one".