212103230112 has 36 divisors (see below), whose sum is σ = 603168561450. Its totient is φ = 70701076608.

The previous prime is 212103230093. The next prime is 212103230117. The reversal of 212103230112 is 211032301212.

212103230112 is a `hidden beast` number, since 21 + 210 + 323 + 0 + 112 = 666.

It can be written as a sum of positive squares in only one way, i.e., 127680440976 + 84422789136 = 357324^2 + 290556^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (212103230117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368234487 + ... + 368235062.

Almost surely, 2^212103230112 is an apocalyptic number.

It is an amenable number.

212103230112 is an abundant number, since it is smaller than the sum of its proper divisors (391065331338).

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

212103230112 is a wasteful number, since it uses less digits than its factorization.

212103230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736469565 (or 736469554 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212103230112 its reverse (211032301212), we get a palindrome (423135531324).

The spelling of 212103230112 in words is "two hundred twelve billion, one hundred three million, two hundred thirty thousand, one hundred twelve".