1202001100987 has 2 divisors, whose sum is σ = 1202001100988. Its totient is φ = 1202001100986.

The previous prime is 1202001100969. The next prime is 1202001101027. The reversal of 1202001100987 is 7890011002021.

It is a weak prime.

It is an emirp because it is prime and its reverse (7890011002021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202001100987 - 2³⁵ = 1167641362619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202001100187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601000550493 + 601000550494.

It is an arithmetic number, because the mean of its divisors is an integer number (601000550494).

Almost surely, 2^{1202001100987} is an apocalyptic number.

1202001100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202001100987 is an equidigital number, since it uses as much as digits as its factorization.

1202001100987 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 1202001100987 in words is "one trillion, two hundred two billion, one million, one hundred thousand, nine hundred eighty-seven".