212070203 has 2 divisors, whose sum is σ = 212070204. Its totient is φ = 212070202.

The previous prime is 212070193. The next prime is 212070241. The reversal of 212070203 is 302070212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212070203 - 2⁸ = 212069947 is a prime.

It is a super-2 number, since 2×212070203² = 89947542000922418, 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 (212070253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106035101 + 106035102.

It is an arithmetic number, because the mean of its divisors is an integer number (106035102).

Almost surely, 2^212070203 is an apocalyptic number.

212070203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212070203 is an equidigital number, since it uses as much as digits as its factorization.

212070203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 212070203 is about 14562.6303599315. The cubic root of 212070203 is about 596.3390063835.

Subtracting 212070203 from its reverse (302070212), we obtain a palindrome (90000009).

The spelling of 212070203 in words is "two hundred twelve million, seventy thousand, two hundred three".