2212130311987 has 2 divisors, whose sum is σ = 2212130311988. Its totient is φ = 2212130311986.

The previous prime is 2212130311967. The next prime is 2212130312027. The reversal of 2212130311987 is 7891130312122.

2212130311987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2212130312027) can be obtained adding 2212130311987 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212130311987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212130311967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106065155993 + 1106065155994.

It is an arithmetic number, because the mean of its divisors is an integer number (1106065155994).

Almost surely, 2^{2212130311987} is an apocalyptic number.

2212130311987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212130311987 is an equidigital number, since it uses as much as digits as its factorization.

2212130311987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 2212130311987 in words is "two trillion, two hundred twelve billion, one hundred thirty million, three hundred eleven thousand, nine hundred eighty-seven".