1222120022087 has 2 divisors, whose sum is σ = 1222120022088. Its totient is φ = 1222120022086.

The previous prime is 1222120022033. The next prime is 1222120022117. The reversal of 1222120022087 is 7802200212221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222120022087 - 2³² = 1217825054791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222120027087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611060011043 + 611060011044.

It is an arithmetic number, because the mean of its divisors is an integer number (611060011044).

Almost surely, 2^{1222120022087} is an apocalyptic number.

1222120022087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222120022087 is an equidigital number, since it uses as much as digits as its factorization.

1222120022087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 1222120022087 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, twenty-two thousand, eighty-seven".