1222162208929 has 2 divisors, whose sum is σ = 1222162208930. Its totient is φ = 1222162208928.

The previous prime is 1222162208923. The next prime is 1222162208951. The reversal of 1222162208929 is 9298022612221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009020250000 + 213141958929 = 1004500^2 + 461673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222162208929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222162208923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611081104464 + 611081104465.

It is an arithmetic number, because the mean of its divisors is an integer number (611081104465).

Almost surely, 2^{1222162208929} is an apocalyptic number.

It is an amenable number.

1222162208929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222162208929 is an equidigital number, since it uses as much as digits as its factorization.

1222162208929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 1222162208929 in words is "one trillion, two hundred twenty-two billion, one hundred sixty-two million, two hundred eight thousand, nine hundred twenty-nine".