1321112332087 has 2 divisors, whose sum is σ = 1321112332088. Its totient is φ = 1321112332086.

The previous prime is 1321112332079. The next prime is 1321112332093. The reversal of 1321112332087 is 7802332111231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1321112332087 - 2³ = 1321112332079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321112332487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660556166043 + 660556166044.

It is an arithmetic number, because the mean of its divisors is an integer number (660556166044).

Almost surely, 2^{1321112332087} is an apocalyptic number.

1321112332087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321112332087 is an equidigital number, since it uses as much as digits as its factorization.

1321112332087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 1321112332087 in words is "one trillion, three hundred twenty-one billion, one hundred twelve million, three hundred thirty-two thousand, eighty-seven".