212102222112202 has 8 divisors (see below), whose sum is σ = 318682706436612. Its totient is φ = 105874653300000.

The previous prime is 212102222112199. The next prime is 212102222112239. The reversal of 212102222112202 is 202211222201212.

It can be written as a sum of positive squares in 2 ways, for example, as 157849849396561 + 54252372715641 = 12563831^2 + 7365621^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88228876549 + ... + 88228878952.

Almost surely, 2^{212102222112202} is an apocalyptic number.

212102222112202 is a deficient number, since it is larger than the sum of its proper divisors (106580484324410).

212102222112202 is a wasteful number, since it uses less digits than its factorization.

212102222112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176457756104.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212102222112202 its reverse (202211222201212), we get a palindrome (414313444313414).

The spelling of 212102222112202 in words is "two hundred twelve trillion, one hundred two billion, two hundred twenty-two million, one hundred twelve thousand, two hundred two".