212520203 has 6 divisors (see below), whose sum is σ = 247217436. Its totient is φ = 182160132.

The previous prime is 212520173. The next prime is 212520223. The reversal of 212520203 is 302025212.

212520203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212520203 - 2²⁰ = 211471627 is a prime.

It is a super-2 number, since 2×212520203² = 90329673366322418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212520223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2168525 + ... + 2168622.

It is an arithmetic number, because the mean of its divisors is an integer number (41202906).

Almost surely, 2^212520203 is an apocalyptic number.

212520203 is a deficient number, since it is larger than the sum of its proper divisors (34697233).

212520203 is an equidigital number, since it uses as much as digits as its factorization.

212520203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337161 (or 4337154 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 212520203 is about 14578.0726778268. The cubic root of 212520203 is about 596.7605066906.

Adding to 212520203 its reverse (302025212), we get a palindrome (514545415).

The spelling of 212520203 in words is "two hundred twelve million, five hundred twenty thousand, two hundred three".