12012112087 has 2 divisors, whose sum is σ = 12012112088. Its totient is φ = 12012112086.

The previous prime is 12012112031. The next prime is 12012112117. The reversal of 12012112087 is 78021121021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (78021121021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12012112087 - 2⁷ = 12012111959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012112027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006056043 + 6006056044.

It is an arithmetic number, because the mean of its divisors is an integer number (6006056044).

Almost surely, 2^12012112087 is an apocalyptic number.

12012112087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012112087 is an equidigital number, since it uses as much as digits as its factorization.

12012112087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

The spelling of 12012112087 in words is "twelve billion, twelve million, one hundred twelve thousand, eighty-seven".