2012597987 has 2 divisors, whose sum is σ = 2012597988. Its totient is φ = 2012597986.

The previous prime is 2012597963. The next prime is 2012598011. The reversal of 2012597987 is 7897952102.

It is a balanced prime because it is at equal distance from previous prime (2012597963) and next prime (2012598011).

It is a cyclic number.

It is not a de Polignac number, because 2012597987 - 2²⁶ = 1945489123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012597927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006298993 + 1006298994.

It is an arithmetic number, because the mean of its divisors is an integer number (1006298994).

Almost surely, 2^2012597987 is an apocalyptic number.

2012597987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012597987 is an equidigital number, since it uses as much as digits as its factorization.

2012597987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 2012597987 is about 44861.9882194269. The cubic root of 2012597987 is about 1262.5609262758.

The spelling of 2012597987 in words is "two billion, twelve million, five hundred ninety-seven thousand, nine hundred eighty-seven".