212020112220222 has 64 divisors (see below), whose sum is σ = 424997087523840. Its totient is φ = 70514126290944.

The previous prime is 212020112220199. The next prime is 212020112220229. The reversal of 212020112220222 is 222022211020212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020112220229) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 22548130173 + ... + 22548139575.

It is an arithmetic number, because the mean of its divisors is an integer number (6640579492560).

Almost surely, 2^{212020112220222} is an apocalyptic number.

212020112220222 is an abundant number, since it is smaller than the sum of its proper divisors (212976975303618).

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

212020112220222 is a wasteful number, since it uses less digits than its factorization.

212020112220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14737.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212020112220222 its reverse (222022211020212), we get a palindrome (434042323240434).

The spelling of 212020112220222 in words is "two hundred twelve trillion, twenty billion, one hundred twelve million, two hundred twenty thousand, two hundred twenty-two".