212030131112 has 32 divisors (see below), whose sum is σ = 403061135400. Its totient is φ = 104547585024.

The previous prime is 212030131097. The next prime is 212030131123. The reversal of 212030131112 is 211131030212.

It can be written as a sum of positive squares in 4 ways, for example, as 211925805316 + 104325796 = 460354^2 + 10214^2 .

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, 4717964 + ... + 4762692.

Almost surely, 2^212030131112 is an apocalyptic number.

It is an amenable number.

212030131112 is a deficient number, since it is larger than the sum of its proper divisors (191031004288).

212030131112 is a wasteful number, since it uses less digits than its factorization.

212030131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52925 (or 52921 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212030131112 its reverse (211131030212), we get a palindrome (423161161324).

The spelling of 212030131112 in words is "two hundred twelve billion, thirty million, one hundred thirty-one thousand, one hundred twelve".