210112112220212 has 12 divisors (see below), whose sum is σ = 367754774762340. Its totient is φ = 105039319430976.

The previous prime is 210112112220203. The next prime is 210112112220233. The reversal of 210112112220212 is 212022211211012.

It can be written as a sum of positive squares in 2 ways, for example, as 122510673950116 + 87601438270096 = 11068454^2 + 9359564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4184141537 + ... + 4184191752.

It is an arithmetic number, because the mean of its divisors is an integer number (30646231230195).

Almost surely, 2^{210112112220212} is an apocalyptic number.

It is an amenable number.

210112112220212 is a deficient number, since it is larger than the sum of its proper divisors (157642662542128).

210112112220212 is a wasteful number, since it uses less digits than its factorization.

210112112220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368339570 (or 8368339568 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 210112112220212 its reverse (212022211211012), we get a palindrome (422134323431224).

The spelling of 210112112220212 in words is "two hundred ten trillion, one hundred twelve billion, one hundred twelve million, two hundred twenty thousand, two hundred twelve".