212003311222 has 16 divisors (see below), whose sum is σ = 322301928960. Its totient is φ = 104571598248.

The previous prime is 212003311213. The next prime is 212003311237. The reversal of 212003311222 is 222113300212.

It is a super-2 number, since 2×212003311222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212003311222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377658 + ... + 752749.

It is an arithmetic number, because the mean of its divisors is an integer number (20143870560).

Almost surely, 2^212003311222 is an apocalyptic number.

212003311222 is a deficient number, since it is larger than the sum of its proper divisors (110298617738).

212003311222 is a wasteful number, since it uses less digits than its factorization.

212003311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131675.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212003311222 its reverse (222113300212), we get a palindrome (434116611434).

The spelling of 212003311222 in words is "two hundred twelve billion, three million, three hundred eleven thousand, two hundred twenty-two".