1012020010987 has 2 divisors, whose sum is σ = 1012020010988. Its totient is φ = 1012020010986.

The previous prime is 1012020010927. The next prime is 1012020011027. The reversal of 1012020010987 is 7890100202101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012020010987 - 2¹¹ = 1012020008939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012020010927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506010005493 + 506010005494.

It is an arithmetic number, because the mean of its divisors is an integer number (506010005494).

Almost surely, 2^{1012020010987} is an apocalyptic number.

1012020010987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012020010987 is an equidigital number, since it uses as much as digits as its factorization.

1012020010987 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 31.

The spelling of 1012020010987 in words is "one trillion, twelve billion, twenty million, ten thousand, nine hundred eighty-seven".