212232401 has 8 divisors (see below), whose sum is σ = 216994944. Its totient is φ = 207480240.

The previous prime is 212232379. The next prime is 212232439. The reversal of 212232401 is 104232212.

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 212232401 - 2¹⁰ = 212231377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212232401.

It is not an unprimeable number, because it can be changed into a prime (212232491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50771 + ... + 54791.

It is an arithmetic number, because the mean of its divisors is an integer number (27124368).

Almost surely, 2^212232401 is an apocalyptic number.

It is an amenable number.

212232401 is a deficient number, since it is larger than the sum of its proper divisors (4762543).

212232401 is a wasteful number, since it uses less digits than its factorization.

212232401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 212232401 is about 14568.1982756963. The cubic root of 212232401 is about 596.4910006191.

Adding to 212232401 its reverse (104232212), we get a palindrome (316464613).

The spelling of 212232401 in words is "two hundred twelve million, two hundred thirty-two thousand, four hundred one".