212233112 has 48 divisors (see below), whose sum is σ = 498526560. Its totient is φ = 83958336.

The previous prime is 212233103. The next prime is 212233141. The reversal of 212233112 is 211332212.

212233112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15728 + ... + 25919.

It is an arithmetic number, because the mean of its divisors is an integer number (10385970).

Almost surely, 2^212233112 is an apocalyptic number.

It is an amenable number.

212233112 is an abundant number, since it is smaller than the sum of its proper divisors (286293448).

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

212233112 is a wasteful number, since it uses less digits than its factorization.

212233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41680 (or 41669 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 212233112 is about 14568.2226781444. Note that the first 3 decimals coincide. The cubic root of 212233112 is about 596.4916667200.

Adding to 212233112 its reverse (211332212), we get a palindrome (423565324).

The spelling of 212233112 in words is "two hundred twelve million, two hundred thirty-three thousand, one hundred twelve".