1213022310349 has 2 divisors, whose sum is σ = 1213022310350. Its totient is φ = 1213022310348.

The previous prime is 1213022310271. The next prime is 1213022310407. The reversal of 1213022310349 is 9430132203121.

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., 1212388177225 + 634133124 = 1101085^2 + 25182^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213022310349 - 2²⁹ = 1212485439437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213022310349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213022010349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606511155174 + 606511155175.

It is an arithmetic number, because the mean of its divisors is an integer number (606511155175).

Almost surely, 2^{1213022310349} is an apocalyptic number.

It is an amenable number.

1213022310349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213022310349 is an equidigital number, since it uses as much as digits as its factorization.

1213022310349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 1213022310349 in words is "one trillion, two hundred thirteen billion, twenty-two million, three hundred ten thousand, three hundred forty-nine".