212010243 has 8 divisors (see below), whose sum is σ = 282954000. Its totient is φ = 141203328.

The previous prime is 212010241. The next prime is 212010257. The reversal of 212010243 is 342010212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212010243 - 2¹ = 212010241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212010241) 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, 30538 + ... + 36831.

It is an arithmetic number, because the mean of its divisors is an integer number (35369250).

Almost surely, 2^212010243 is an apocalyptic number.

212010243 is a deficient number, since it is larger than the sum of its proper divisors (70943757).

212010243 is a wasteful number, since it uses less digits than its factorization.

212010243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68421.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212010243 is about 14560.5715203765. The cubic root of 212010243 is about 596.2827988058.

Adding to 212010243 its reverse (342010212), we get a palindrome (554020455).

The spelling of 212010243 in words is "two hundred twelve million, ten thousand, two hundred forty-three".