212000112012209 has 4 divisors (see below), whose sum is σ = 212600678902116. Its totient is φ = 211399545122304.

The previous prime is 212000112012179. The next prime is 212000112012229. The reversal of 212000112012209 is 902210211000212.

212000112012209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33676805261584 + 178323306750625 = 5803172^2 + 13353775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212000112012209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000112012229) 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, 300283444424 + ... + 300283445129.

It is an arithmetic number, because the mean of its divisors is an integer number (53150169725529).

Almost surely, 2^{212000112012209} is an apocalyptic number.

It is an amenable number.

212000112012209 is a deficient number, since it is larger than the sum of its proper divisors (600566889907).

212000112012209 is an equidigital number, since it uses as much as digits as its factorization.

212000112012209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600566889906.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 212000112012209 in words is "two hundred twelve trillion, one hundred twelve million, twelve thousand, two hundred nine".