212033121 has 8 divisors (see below), whose sum is σ = 288726144. Its totient is φ = 138347760.

The previous prime is 212033117. The next prime is 212033131. The reversal of 212033121 is 121330212.

212033121 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 not a de Polignac number, because 212033121 - 2² = 212033117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212033121.

It is not an unprimeable number, because it can be changed into a prime (212033131) 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, 751750 + ... + 752031.

It is an arithmetic number, because the mean of its divisors is an integer number (36090768).

Almost surely, 2^212033121 is an apocalyptic number.

It is an amenable number.

212033121 is a deficient number, since it is larger than the sum of its proper divisors (76693023).

212033121 is a wasteful number, since it uses less digits than its factorization.

212033121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503831.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 212033121 is about 14561.3571139506. The cubic root of 212033121 is about 596.3042463029.

Adding to 212033121 its reverse (121330212), we get a palindrome (333363333).

The spelling of 212033121 in words is "two hundred twelve million, thirty-three thousand, one hundred twenty-one".