212033401 has 8 divisors (see below), whose sum is σ = 224890344. Its totient is φ = 199219200.

The previous prime is 212033383. The next prime is 212033461. The reversal of 212033401 is 104330212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 73359225 + 138674176 = 8565^2 + 11776^2 .

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 212033401 - 2¹⁹ = 211509113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212033461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160 + ... + 20593.

It is an arithmetic number, because the mean of its divisors is an integer number (28111293).

Almost surely, 2^212033401 is an apocalyptic number.

It is an amenable number.

212033401 is a deficient number, since it is larger than the sum of its proper divisors (12856943).

212033401 is a wasteful number, since it uses less digits than its factorization.

212033401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21371.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212033401 is about 14561.3667284359. The cubic root of 212033401 is about 596.3045087856.

Adding to 212033401 its reverse (104330212), we get a palindrome (316363613).

The spelling of 212033401 in words is "two hundred twelve million, thirty-three thousand, four hundred one".