212011001222 has 32 divisors (see below), whose sum is σ = 338819272704. Its totient is φ = 99149904000.

The previous prime is 212011001219. The next prime is 212011001227. The reversal of 212011001222 is 222100110212.

212011001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212011001197 and 212011001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011001227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6809663 + ... + 6840725.

It is an arithmetic number, because the mean of its divisors is an integer number (10588102272).

Almost surely, 2^212011001222 is an apocalyptic number.

212011001222 is a deficient number, since it is larger than the sum of its proper divisors (126808271482).

212011001222 is a wasteful number, since it uses less digits than its factorization.

212011001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32324.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212011001222 its reverse (222100110212), we get a palindrome (434111111434).

The spelling of 212011001222 in words is "two hundred twelve billion, eleven million, one thousand, two hundred twenty-two".