212112201220212 has 24 divisors (see below), whose sum is σ = 495371556805216. Its totient is φ = 70640768888928.

The previous prime is 212112201220151. The next prime is 212112201220247. The reversal of 212112201220212 is 212022102211212.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7912259098 + ... + 7912285905.

Almost surely, 2^{212112201220212} is an apocalyptic number.

It is an amenable number.

212112201220212 is an abundant number, since it is smaller than the sum of its proper divisors (283259355585004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212112201220212 is a wasteful number, since it uses less digits than its factorization.

212112201220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15824546127 (or 15824546125 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212112201220212 its reverse (212022102211212), we get a palindrome (424134303431424).

The spelling of 212112201220212 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred one million, two hundred twenty thousand, two hundred twelve".