212033641 has 4 divisors (see below), whose sum is σ = 212062852. Its totient is φ = 212004432.

The previous prime is 212033629. The next prime is 212033687. The reversal of 212033641 is 146330212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 78145600 + 133888041 = 8840^2 + 11571^2 .

It is a cyclic number.

It is not a de Polignac number, because 212033641 - 2¹³ = 212025449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212033611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5611 + ... + 21343.

It is an arithmetic number, because the mean of its divisors is an integer number (53015713).

Almost surely, 2^212033641 is an apocalyptic number.

It is an amenable number.

212033641 is a deficient number, since it is larger than the sum of its proper divisors (29211).

212033641 is a wasteful number, since it uses less digits than its factorization.

212033641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29210.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 212033641 is about 14561.3749694182. The cubic root of 212033641 is about 596.3047337707.

Adding to 212033641 its reverse (146330212), we get a palindrome (358363853).

The spelling of 212033641 in words is "two hundred twelve million, thirty-three thousand, six hundred forty-one".