1202342399987 has 2 divisors, whose sum is σ = 1202342399988. Its totient is φ = 1202342399986.

The previous prime is 1202342399957. The next prime is 1202342400001. The reversal of 1202342399987 is 7899932432021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202342399987 - 2¹⁰ = 1202342398963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202342399957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601171199993 + 601171199994.

It is an arithmetic number, because the mean of its divisors is an integer number (601171199994).

Almost surely, 2^{1202342399987} is an apocalyptic number.

1202342399987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202342399987 is an equidigital number, since it uses as much as digits as its factorization.

1202342399987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 1202342399987 in words is "one trillion, two hundred two billion, three hundred forty-two million, three hundred ninety-nine thousand, nine hundred eighty-seven".