1222212222029 has 2 divisors, whose sum is σ = 1222212222030. Its totient is φ = 1222212222028.

The previous prime is 1222212221999. The next prime is 1222212222043. The reversal of 1222212222029 is 9202222122221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199677708804 + 22534513225 = 1095298^2 + 150115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222212222029 - 2⁴⁰ = 122700594253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222212221992 and 1222212222010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222212227029) 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, 611106111014 + 611106111015.

It is an arithmetic number, because the mean of its divisors is an integer number (611106111015).

Almost surely, 2^{1222212222029} is an apocalyptic number.

It is an amenable number.

1222212222029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222212222029 is an equidigital number, since it uses as much as digits as its factorization.

1222212222029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 1222212222029 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, twenty-nine".