1222102238509 has 2 divisors, whose sum is σ = 1222102238510. Its totient is φ = 1222102238508.

The previous prime is 1222102238491. The next prime is 1222102238519. The reversal of 1222102238509 is 9058322012221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 721390326409 + 500711912100 = 849347^2 + 707610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222102238509 - 2⁵ = 1222102238477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222102238519) 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, 611051119254 + 611051119255.

It is an arithmetic number, because the mean of its divisors is an integer number (611051119255).

Almost surely, 2^{1222102238509} is an apocalyptic number.

It is an amenable number.

1222102238509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222102238509 is an equidigital number, since it uses as much as digits as its factorization.

1222102238509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 1222102238509 in words is "one trillion, two hundred twenty-two billion, one hundred two million, two hundred thirty-eight thousand, five hundred nine".