1010012201987 has 2 divisors, whose sum is σ = 1010012201988. Its totient is φ = 1010012201986.

The previous prime is 1010012201981. The next prime is 1010012202029. The reversal of 1010012201987 is 7891022100101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010012201987 - 2¹⁰ = 1010012200963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010012201981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505006100993 + 505006100994.

It is an arithmetic number, because the mean of its divisors is an integer number (505006100994).

Almost surely, 2^{1010012201987} is an apocalyptic number.

1010012201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010012201987 is an equidigital number, since it uses as much as digits as its factorization.

1010012201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 1010012201987 in words is "one trillion, ten billion, twelve million, two hundred one thousand, nine hundred eighty-seven".