212003223222 has 32 divisors (see below), whose sum is σ = 485288347392. Its totient is φ = 60483655584.

The previous prime is 212003223221. The next prime is 212003223241. The reversal of 212003223222 is 222322300212.

212003223222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212003223222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212003223221) 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, 3666553 + ... + 3723924.

It is an arithmetic number, because the mean of its divisors is an integer number (15165260856).

Almost surely, 2^212003223222 is an apocalyptic number.

212003223222 is an abundant number, since it is smaller than the sum of its proper divisors (273285124170).

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

212003223222 is a wasteful number, since it uses less digits than its factorization.

212003223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7391172.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 212003223222 its reverse (222322300212), we get a palindrome (434325523434).

The spelling of 212003223222 in words is "two hundred twelve billion, three million, two hundred twenty-three thousand, two hundred twenty-two".