100503212 has 24 divisors (see below), whose sum is σ = 186186000. Its totient is φ = 47388096.

The previous prime is 100503199. The next prime is 100503223. The reversal of 100503212 is 212305001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5087 + ... + 15062.

It is an arithmetic number, because the mean of its divisors is an integer number (7757750).

Almost surely, 2^100503212 is an apocalyptic number.

It is an amenable number.

100503212 is a deficient number, since it is larger than the sum of its proper divisors (85682788).

100503212 is a wasteful number, since it uses less digits than its factorization.

100503212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20225 (or 20223 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 100503212 is about 10025.1290266011. The cubic root of 100503212 is about 464.9361487846.

Adding to 100503212 its reverse (212305001), we get a palindrome (312808213).

The spelling of 100503212 in words is "one hundred million, five hundred three thousand, two hundred twelve".