212104503 has 48 divisors (see below), whose sum is σ = 339603264. Its totient is φ = 126766080.

The previous prime is 212104499. The next prime is 212104531. The reversal of 212104503 is 305401212.

212104503 is a `hidden beast` number, since 2 + 1 + 210 + 450 + 3 = 666.

It is not a de Polignac number, because 212104503 - 2² = 212104499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212104303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 806350 + ... + 806612.

It is an arithmetic number, because the mean of its divisors is an integer number (7075068).

Almost surely, 2^212104503 is an apocalyptic number.

212104503 is a deficient number, since it is larger than the sum of its proper divisors (127498761).

212104503 is a wasteful number, since it uses less digits than its factorization.

212104503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 212104503 is about 14563.8079841778. The cubic root of 212104503 is about 596.3711550540.

Adding to 212104503 its reverse (305401212), we get a palindrome (517505715).

The spelling of 212104503 in words is "two hundred twelve million, one hundred four thousand, five hundred three".