212220120100222 has 16 divisors (see below), whose sum is σ = 342817922240640. Its totient is φ = 97947517694112.

The previous prime is 212220120100181. The next prime is 212220120100243. The reversal of 212220120100222 is 222001021022212.

It is a self number, because there is not a number n which added to its sum of digits gives 212220120100222.

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, 1960308 + ... + 20695000.

It is an arithmetic number, because the mean of its divisors is an integer number (21426120140040).

Almost surely, 2^{212220120100222} is an apocalyptic number.

212220120100222 is a deficient number, since it is larger than the sum of its proper divisors (130597802140418).

212220120100222 is a wasteful number, since it uses less digits than its factorization.

212220120100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19170387.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212220120100222 its reverse (222001021022212), we get a palindrome (434221141122434).

The spelling of 212220120100222 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred twenty million, one hundred thousand, two hundred twenty-two".