2112312207 has 4 divisors (see below), whose sum is σ = 2816416280. Its totient is φ = 1408208136.

The previous prime is 2112312197. The next prime is 2112312229. The reversal of 2112312207 is 7022132112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2112312207 - 2⁶ = 2112312143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112312247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352052032 + ... + 352052037.

It is an arithmetic number, because the mean of its divisors is an integer number (704104070).

Almost surely, 2^2112312207 is an apocalyptic number.

2112312207 is a deficient number, since it is larger than the sum of its proper divisors (704104073).

2112312207 is an equidigital number, since it uses as much as digits as its factorization.

2112312207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704104072.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2112312207 is about 45959.8978132023. The cubic root of 2112312207 is about 1283.0769495065.

Adding to 2112312207 its reverse (7022132112), we get a palindrome (9134444319).

The spelling of 2112312207 in words is "two billion, one hundred twelve million, three hundred twelve thousand, two hundred seven".