2102012207 has 2 divisors, whose sum is σ = 2102012208. Its totient is φ = 2102012206.

The previous prime is 2102012203. The next prime is 2102012219. The reversal of 2102012207 is 7022102012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102012207 - 2² = 2102012203 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102012203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051006103 + 1051006104.

It is an arithmetic number, because the mean of its divisors is an integer number (1051006104).

Almost surely, 2^2102012207 is an apocalyptic number.

2102012207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102012207 is an equidigital number, since it uses as much as digits as its factorization.

2102012207 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 17.

The square root of 2102012207 is about 45847.7066711084. The cubic root of 2102012207 is about 1280.9880487615.

Adding to 2102012207 its reverse (7022102012), we get a palindrome (9124114219).

The spelling of 2102012207 in words is "two billion, one hundred two million, twelve thousand, two hundred seven".