1213011222239 has 2 divisors, whose sum is σ = 1213011222240. Its totient is φ = 1213011222238.

The previous prime is 1213011222209. The next prime is 1213011222259. The reversal of 1213011222239 is 9322221103121.

It is a strong prime.

It is an emirp because it is prime and its reverse (9322221103121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1213011222239 - 2⁴⁰ = 113499594463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213011222209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606505611119 + 606505611120.

It is an arithmetic number, because the mean of its divisors is an integer number (606505611120).

Almost surely, 2^{1213011222239} is an apocalyptic number.

1213011222239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213011222239 is an equidigital number, since it uses as much as digits as its factorization.

1213011222239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 1213011222239 in words is "one trillion, two hundred thirteen billion, eleven million, two hundred twenty-two thousand, two hundred thirty-nine".