1022213312987 has 2 divisors, whose sum is σ = 1022213312988. Its totient is φ = 1022213312986.

The previous prime is 1022213312983. The next prime is 1022213313029. The reversal of 1022213312987 is 7892133122201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022213312987 - 2² = 1022213312983 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022213312983) 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, 511106656493 + 511106656494.

It is an arithmetic number, because the mean of its divisors is an integer number (511106656494).

Almost surely, 2^{1022213312987} is an apocalyptic number.

1022213312987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022213312987 is an equidigital number, since it uses as much as digits as its factorization.

1022213312987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 1022213312987 in words is "one trillion, twenty-two billion, two hundred thirteen million, three hundred twelve thousand, nine hundred eighty-seven".