212104231 has 8 divisors (see below), whose sum is σ = 219819600. Its totient is φ = 204415680.

The previous prime is 212104213. The next prime is 212104237. The reversal of 212104231 is 132401212.

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 212104231 - 2⁵ = 212104199 is a prime.

It is a super-2 number, since 2×212104231² = 89976409616202722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212104237) 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, 10155 + ... + 22963.

It is an arithmetic number, because the mean of its divisors is an integer number (27477450).

Almost surely, 2^212104231 is an apocalyptic number.

212104231 is a deficient number, since it is larger than the sum of its proper divisors (7715369).

212104231 is a wasteful number, since it uses less digits than its factorization.

212104231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13409.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212104231 is about 14563.7986459577. The cubic root of 212104231 is about 596.3709001278.

Adding to 212104231 its reverse (132401212), we get a palindrome (344505443).

The spelling of 212104231 in words is "two hundred twelve million, one hundred four thousand, two hundred thirty-one".