212022201021212 has 12 divisors (see below), whose sum is σ = 373402156576680. Its totient is φ = 105335870570736.

The previous prime is 212022201021209. The next prime is 212022201021259. The reversal of 212022201021212 is 212120102220212.

It is a congruent number.

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, 168807484262 + ... + 168807485517.

It is an arithmetic number, because the mean of its divisors is an integer number (31116846381390).

Almost surely, 2^{212022201021212} is an apocalyptic number.

It is an amenable number.

212022201021212 is a deficient number, since it is larger than the sum of its proper divisors (161379955555468).

212022201021212 is a wasteful number, since it uses less digits than its factorization.

212022201021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337614969940 (or 337614969938 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212022201021212 its reverse (212120102220212), we get a palindrome (424142303241424).

The spelling of 212022201021212 in words is "two hundred twelve trillion, twenty-two billion, two hundred one million, twenty-one thousand, two hundred twelve".