1213222005341 has 2 divisors, whose sum is σ = 1213222005342. Its totient is φ = 1213222005340.

The previous prime is 1213222005283. The next prime is 1213222005371. The reversal of 1213222005341 is 1435002223121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1175426757241 + 37795248100 = 1084171^2 + 194410^2 .

It is an emirp because it is prime and its reverse (1435002223121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1213222005341 - 2¹⁰ = 1213222004317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213222005341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213222005371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606611002670 + 606611002671.

It is an arithmetic number, because the mean of its divisors is an integer number (606611002671).

Almost surely, 2^{1213222005341} is an apocalyptic number.

It is an amenable number.

1213222005341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213222005341 is an equidigital number, since it uses as much as digits as its factorization.

1213222005341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1213222005341 its reverse (1435002223121), we get a palindrome (2648224228462).

The spelling of 1213222005341 in words is "one trillion, two hundred thirteen billion, two hundred twenty-two million, five thousand, three hundred forty-one".