212022212 has 24 divisors (see below), whose sum is σ = 378441504. Its totient is φ = 103917312.

The previous prime is 212022191. The next prime is 212022227. The reversal of 212022212 is 212220212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38963 + ... + 44069.

It is an arithmetic number, because the mean of its divisors is an integer number (15768396).

Almost surely, 2^212022212 is an apocalyptic number.

It is an amenable number.

212022212 is a deficient number, since it is larger than the sum of its proper divisors (166419292).

212022212 is a wasteful number, since it uses less digits than its factorization.

212022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315 (or 5313 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 212022212 is about 14560.9825217943. The cubic root of 212022212 is about 596.2940196072.

Adding to 212022212 its reverse (212220212), we get a palindrome (424242424).

The spelling of 212022212 in words is "two hundred twelve million, twenty-two thousand, two hundred twelve".