1001202011987 has 2 divisors, whose sum is σ = 1001202011988. Its totient is φ = 1001202011986.

The previous prime is 1001202011963. The next prime is 1001202012011. The reversal of 1001202011987 is 7891102021001.

1001202011987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (1001202011963) and next prime (1001202012011).

It is a cyclic number.

It is not a de Polignac number, because 1001202011987 - 2⁸ = 1001202011731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001202011287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500601005993 + 500601005994.

It is an arithmetic number, because the mean of its divisors is an integer number (500601005994).

Almost surely, 2^{1001202011987} is an apocalyptic number.

1001202011987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001202011987 is an equidigital number, since it uses as much as digits as its factorization.

1001202011987 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.

Adding to 1001202011987 its reverse (7891102021001), we get a palindrome (8892304032988).

The spelling of 1001202011987 in words is "one trillion, one billion, two hundred two million, eleven thousand, nine hundred eighty-seven".