112102100212 has 12 divisors (see below), whose sum is σ = 197428222180. Its totient is φ = 55694036736.

The previous prime is 112102100207. The next prime is 112102100219. The reversal of 112102100212 is 212001201211.

It can be written as a sum of positive squares in 2 ways, for example, as 13704448356 + 98397651856 = 117066^2 + 313684^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112102100192 and 112102100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102100219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89252637 + ... + 89253892.

Almost surely, 2^112102100212 is an apocalyptic number.

It is an amenable number.

112102100212 is a deficient number, since it is larger than the sum of its proper divisors (85326121968).

112102100212 is a wasteful number, since it uses less digits than its factorization.

112102100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178506690 (or 178506688 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112102100212 its reverse (212001201211), we get a palindrome (324103301423).

The spelling of 112102100212 in words is "one hundred twelve billion, one hundred two million, one hundred thousand, two hundred twelve".