222020022021212 has 12 divisors (see below), whose sum is σ = 388537685594520. Its totient is φ = 111009254708496.

The previous prime is 222020022021197. The next prime is 222020022021247. The reversal of 222020022021212 is 212120220020222.

It is a super-2 number, since 2×222020022021212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188414762 + ... + 189589457.

It is an arithmetic number, because the mean of its divisors is an integer number (32378140466210).

Almost surely, 2^{222020022021212} is an apocalyptic number.

It is an amenable number.

222020022021212 is a deficient number, since it is larger than the sum of its proper divisors (166517663573308).

222020022021212 is a wasteful number, since it uses less digits than its factorization.

222020022021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378151060 (or 378151058 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222020022021212 its reverse (212120220020222), we get a palindrome (434140242041434).

The spelling of 222020022021212 in words is "two hundred twenty-two trillion, twenty billion, twenty-two million, twenty-one thousand, two hundred twelve".