1002112219987 has 2 divisors, whose sum is σ = 1002112219988. Its totient is φ = 1002112219986.

The previous prime is 1002112219883. The next prime is 1002112219991. The reversal of 1002112219987 is 7899122112001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002112219987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002112219687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501056109993 + 501056109994.

It is an arithmetic number, because the mean of its divisors is an integer number (501056109994).

Almost surely, 2^{1002112219987} is an apocalyptic number.

1002112219987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002112219987 is an equidigital number, since it uses as much as digits as its factorization.

1002112219987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 1002112219987 in words is "one trillion, two billion, one hundred twelve million, two hundred nineteen thousand, nine hundred eighty-seven".