212245133 has 8 divisors (see below), whose sum is σ = 214099200. Its totient is φ = 210398848.

The previous prime is 212245129. The next prime is 212245157. The reversal of 212245133 is 331542212.

212245133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212245133 - 2² = 212245129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212245099 and 212245108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212245123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61508 + ... + 64866.

It is an arithmetic number, because the mean of its divisors is an integer number (26762400).

Almost surely, 2^212245133 is an apocalyptic number.

It is an amenable number.

212245133 is a deficient number, since it is larger than the sum of its proper divisors (1854067).

212245133 is a wasteful number, since it uses less digits than its factorization.

212245133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891.

The product of its digits is 1440, while the sum is 23.

The square root of 212245133 is about 14568.6352483683. The cubic root of 212245133 is about 596.5029283793.

Adding to 212245133 its reverse (331542212), we get a palindrome (543787345).

The spelling of 212245133 in words is "two hundred twelve million, two hundred forty-five thousand, one hundred thirty-three".