1222212011959 has 2 divisors, whose sum is σ = 1222212011960. Its totient is φ = 1222212011958.

The previous prime is 1222212011903. The next prime is 1222212011963. The reversal of 1222212011959 is 9591102122221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222212011959 - 2¹¹ = 1222212009911 is a prime.

It is a super-3 number, since 3×1222212011959³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222212011159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611106005979 + 611106005980.

It is an arithmetic number, because the mean of its divisors is an integer number (611106005980).

Almost surely, 2^{1222212011959} is an apocalyptic number.

1222212011959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222212011959 is an equidigital number, since it uses as much as digits as its factorization.

1222212011959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 1222212011959 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, eleven thousand, nine hundred fifty-nine".