10113212 has 12 divisors (see below), whose sum is σ = 17864280. Its totient is φ = 5009136.

The previous prime is 10113211. The next prime is 10113221. The reversal of 10113212 is 21231101.

It is a junction number, because it is equal to n+sod(n) for n = 10113193 and 10113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11387 + ... + 12242.

It is an arithmetic number, because the mean of its divisors is an integer number (1488690).

Almost surely, 2^10113212 is an apocalyptic number.

It is an amenable number.

10113212 is a deficient number, since it is larger than the sum of its proper divisors (7751068).

10113212 is a wasteful number, since it uses less digits than its factorization.

10113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23740 (or 23738 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 10113212 is about 3180.1276703931. The cubic root of 10113212 is about 216.2534462124.

Adding to 10113212 its reverse (21231101), we get a palindrome (31344313).

The spelling of 10113212 in words is "ten million, one hundred thirteen thousand, two hundred twelve".