212010231 has 4 divisors (see below), whose sum is σ = 282680312. Its totient is φ = 141340152.

The previous prime is 212010217. The next prime is 212010233. The reversal of 212010231 is 132010212.

212010231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212010231 - 2⁹ = 212009719 is a prime.

It is a super-2 number, since 2×212010231² = 89896676097346722, 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 (212010233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35335036 + ... + 35335041.

It is an arithmetic number, because the mean of its divisors is an integer number (70670078).

Almost surely, 2^212010231 is an apocalyptic number.

212010231 is a deficient number, since it is larger than the sum of its proper divisors (70670081).

212010231 is an equidigital number, since it uses as much as digits as its factorization.

212010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70670080.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212010231 is about 14560.5711083048. The cubic root of 212010231 is about 596.2827875557.

Adding to 212010231 its reverse (132010212), we get a palindrome (344020443).

The spelling of 212010231 in words is "two hundred twelve million, ten thousand, two hundred thirty-one".