212053231 has 8 divisors (see below), whose sum is σ = 228826080. Its totient is φ = 195346272.

The previous prime is 212053217. The next prime is 212053267. The reversal of 212053231 is 132350212.

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 212053231 - 2⁵ = 212053199 is a prime.

It is a super-2 number, since 2×212053231² = 89933145555078722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212053199 and 212053208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212053531) 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, 9676 + ... + 22753.

It is an arithmetic number, because the mean of its divisors is an integer number (28603260).

Almost surely, 2^212053231 is an apocalyptic number.

212053231 is a deficient number, since it is larger than the sum of its proper divisors (16772849).

212053231 is a wasteful number, since it uses less digits than its factorization.

212053231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32945.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 212053231 is about 14562.0476238749. The cubic root of 212053231 is about 596.3230976019.

The spelling of 212053231 in words is "two hundred twelve million, fifty-three thousand, two hundred thirty-one".