212211211210222 has 32 divisors (see below), whose sum is σ = 371312979351552. Its totient is φ = 89073174956064.

The previous prime is 212211211210211. The next prime is 212211211210231. The reversal of 212211211210222 is 222012112112212.

It is a junction number, because it is equal to n+sod(n) for n = 212211211210193 and 212211211210202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253577758 + ... + 254413249.

It is an arithmetic number, because the mean of its divisors is an integer number (11603530604736).

Almost surely, 2^{212211211210222} is an apocalyptic number.

212211211210222 is a deficient number, since it is larger than the sum of its proper divisors (159101768141330).

212211211210222 is a wasteful number, since it uses less digits than its factorization.

212211211210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507991632.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 212211211210222 its reverse (222012112112212), we get a palindrome (434223323322434).

The spelling of 212211211210222 in words is "two hundred twelve trillion, two hundred eleven billion, two hundred eleven million, two hundred ten thousand, two hundred twenty-two".