1222120027087 has 2 divisors, whose sum is σ = 1222120027088. Its totient is φ = 1222120027086.

The previous prime is 1222120027081. The next prime is 1222120027153. The reversal of 1222120027087 is 7807200212221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222120027087 is a prime.

It is a super-2 number, since 2×1222120027087² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222120027081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611060013543 + 611060013544.

It is an arithmetic number, because the mean of its divisors is an integer number (611060013544).

Almost surely, 2^{1222120027087} is an apocalyptic number.

1222120027087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222120027087 is an equidigital number, since it uses as much as digits as its factorization.

1222120027087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 34.

The spelling of 1222120027087 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, twenty-seven thousand, eighty-seven".