12001001087 has 2 divisors, whose sum is σ = 12001001088. Its totient is φ = 12001001086.

The previous prime is 12001001083. The next prime is 12001001113. The reversal of 12001001087 is 78010010021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001001087 - 2² = 12001001083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001001083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000500543 + 6000500544.

It is an arithmetic number, because the mean of its divisors is an integer number (6000500544).

Almost surely, 2^12001001087 is an apocalyptic number.

12001001087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001001087 is an equidigital number, since it uses as much as digits as its factorization.

12001001087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

The spelling of 12001001087 in words is "twelve billion, one million, one thousand, eighty-seven".