212110012002222 has 24 divisors (see below), whose sum is σ = 459584946185040. Its totient is φ = 70701298332000.

The previous prime is 212110012002073. The next prime is 212110012002233. The reversal of 212110012002222 is 222200210011212.

It is a happy number.

212110012002222 is a `hidden beast` number, since 212 + 110 + 0 + 120 + 0 + 2 + 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 = 212110012002195 and 212110012002204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169275279 + ... + 170523722.

It is an arithmetic number, because the mean of its divisors is an integer number (19149372757710).

Almost surely, 2^{212110012002222} is an apocalyptic number.

212110012002222 is an abundant number, since it is smaller than the sum of its proper divisors (247474934182818).

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

212110012002222 is a wasteful number, since it uses less digits than its factorization.

212110012002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339833688 (or 339833685 counting only the distinct ones).

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

Adding to 212110012002222 its reverse (222200210011212), we get a palindrome (434310222013434).

The spelling of 212110012002222 in words is "two hundred twelve trillion, one hundred ten billion, twelve million, two thousand, two hundred twenty-two".