12120100987 has 2 divisors, whose sum is σ = 12120100988. Its totient is φ = 12120100986.

The previous prime is 12120100957. The next prime is 12120100997. The reversal of 12120100987 is 78900102121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12120100987 - 2⁷ = 12120100859 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120100957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060050493 + 6060050494.

It is an arithmetic number, because the mean of its divisors is an integer number (6060050494).

Almost surely, 2^12120100987 is an apocalyptic number.

12120100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120100987 is an equidigital number, since it uses as much as digits as its factorization.

12120100987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 12120100987 in words is "twelve billion, one hundred twenty million, one hundred thousand, nine hundred eighty-seven".