212040203 has 2 divisors, whose sum is σ = 212040204. Its totient is φ = 212040202.

The previous prime is 212040161. The next prime is 212040221. The reversal of 212040203 is 302040212.

212040203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212040203 - 2⁶ = 212040139 is a prime.

It is a super-2 number, since 2×212040203² = 89922095376562418, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212040223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106020101 + 106020102.

It is an arithmetic number, because the mean of its divisors is an integer number (106020102).

Almost surely, 2^212040203 is an apocalyptic number.

212040203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212040203 is an equidigital number, since it uses as much as digits as its factorization.

212040203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 212040203 is about 14561.6002898033. The cubic root of 212040203 is about 596.3108851708.

Adding to 212040203 its reverse (302040212), we get a palindrome (514080415).

Subtracting 212040203 from its reverse (302040212), we obtain a palindrome (90000009).

The spelling of 212040203 in words is "two hundred twelve million, forty thousand, two hundred three".