212000221101222 has 40 divisors (see below), whose sum is σ = 475044989624832. Its totient is φ = 70665631038000.

The previous prime is 212000221101187. The next prime is 212000221101257. The reversal of 212000221101222 is 222101122000212.

It is a happy number.

212000221101222 is a `hidden beast` number, since 2 + 120 + 0 + 0 + 221 + 101 + 222 = 666.

212000221101222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212000221101187) and next prime (212000221101257).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212000221101195 and 212000221101204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112347 + ... + 20591577.

Almost surely, 2^{212000221101222} is an apocalyptic number.

212000221101222 is an abundant number, since it is smaller than the sum of its proper divisors (263044768523610).

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

212000221101222 is a wasteful number, since it uses less digits than its factorization.

212000221101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20543146 (or 20543137 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212000221101222 its reverse (222101122000212), we get a palindrome (434101343101434).

The spelling of 212000221101222 in words is "two hundred twelve trillion, two hundred twenty-one million, one hundred one thousand, two hundred twenty-two".