1213001505341 has 2 divisors, whose sum is σ = 1213001505342. Its totient is φ = 1213001505340.

The previous prime is 1213001505323. The next prime is 1213001505343. The reversal of 1213001505341 is 1435051003121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1198948351225 + 14053154116 = 1094965^2 + 118546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213001505341 - 2²⁶ = 1212934396477 is a prime.

Together with 1213001505343, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213001505341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213001505343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606500752670 + 606500752671.

It is an arithmetic number, because the mean of its divisors is an integer number (606500752671).

Almost surely, 2^{1213001505341} is an apocalyptic number.

It is an amenable number.

1213001505341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213001505341 is an equidigital number, since it uses as much as digits as its factorization.

1213001505341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 1213001505341 its reverse (1435051003121), we get a palindrome (2648052508462).

The spelling of 1213001505341 in words is "one trillion, two hundred thirteen billion, one million, five hundred five thousand, three hundred forty-one".