212283210112 has 32 divisors (see below), whose sum is σ = 427659755400. Its totient is φ = 104948997120.

The previous prime is 212283210047. The next prime is 212283210133. The reversal of 212283210112 is 211012382212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×212283210112² (a number of 23 digits) contains 22 as substring.

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, 9305814 + ... + 9328597.

Almost surely, 2^212283210112 is an apocalyptic number.

It is an amenable number.

212283210112 is an abundant number, since it is smaller than the sum of its proper divisors (215376545288).

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

212283210112 is an equidigital number, since it uses as much as digits as its factorization.

212283210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18634514 (or 18634502 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 212283210112 its reverse (211012382212), we get a palindrome (423295592324).

The spelling of 212283210112 in words is "two hundred twelve billion, two hundred eighty-three million, two hundred ten thousand, one hundred twelve".