212500231 has 8 divisors (see below), whose sum is σ = 215823744. Its totient is φ = 209186040.

The previous prime is 212500219. The next prime is 212500247. The reversal of 212500231 is 132005212.

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 212500231 - 2¹¹ = 212498183 is a prime.

It is a super-2 number, since 2×212500231² = 90312696350106722, 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 (212500291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53976 + ... + 57778.

It is an arithmetic number, because the mean of its divisors is an integer number (26977968).

Almost surely, 2^212500231 is an apocalyptic number.

212500231 is a deficient number, since it is larger than the sum of its proper divisors (3323513).

212500231 is an equidigital number, since it uses as much as digits as its factorization.

212500231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 212500231 is about 14577.3876603457. The cubic root of 212500231 is about 596.7418121947.

Adding to 212500231 its reverse (132005212), we get a palindrome (344505443).

The spelling of 212500231 in words is "two hundred twelve million, five hundred thousand, two hundred thirty-one".