212112212201210 has 8 divisors (see below), whose sum is σ = 381801981962196. Its totient is φ = 84844884880480.

The previous prime is 212112212201207. The next prime is 212112212201213. The reversal of 212112212201210 is 12102212211212.

It is an interprime number because it is at equal distance from previous prime (212112212201207) and next prime (212112212201213).

It can be written as a sum of positive squares in 2 ways, for example, as 207186746604289 + 4925465596921 = 14393983^2 + 2219339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212112212201210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212112212201213) 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, 10605610610051 + ... + 10605610610070.

Almost surely, 2^{212112212201210} is an apocalyptic number.

212112212201210 is a deficient number, since it is larger than the sum of its proper divisors (169689769760986).

212112212201210 is a wasteful number, since it uses less digits than its factorization.

212112212201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21211221220128.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212112212201210 its reverse (12102212211212), we get a palindrome (224214424412422).

The spelling of 212112212201210 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twelve million, two hundred one thousand, two hundred ten".