2212012101222 has 192 divisors, whose sum is σ = 6296267427840. Its totient is φ = 543749112000.

The previous prime is 2212012101157. The next prime is 2212012101269. The reversal of 2212012101222 is 2221012102122.

It is a happy number.

2212012101222 is a `hidden beast` number, since 221 + 201 + 21 + 0 + 1 + 222 = 666.

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 = 2212012101195 and 2212012101204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25843597 + ... + 25929047.

It is an arithmetic number, because the mean of its divisors is an integer number (32793059520).

Almost surely, 2^{2212012101222} is an apocalyptic number.

2212012101222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212012101222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3148133713920).

2212012101222 is an abundant number, since it is smaller than the sum of its proper divisors (4084255326618).

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

2212012101222 is a wasteful number, since it uses less digits than its factorization.

2212012101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86479 (or 86476 counting only the distinct ones).

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

Adding to 2212012101222 its reverse (2221012102122), we get a palindrome (4433024203344).

The spelling of 2212012101222 in words is "two trillion, two hundred twelve billion, twelve million, one hundred one thousand, two hundred twenty-two".