103212224 has 28 divisors (see below), whose sum is σ = 213719664. Its totient is φ = 49361664.

The previous prime is 103212223. The next prime is 103212229. The reversal of 103212224 is 422212301.

It is not an unprimeable number, because it can be changed into a prime (103212223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33587 + ... + 36530.

Almost surely, 2^103212224 is an apocalyptic number.

It is an amenable number.

103212224 is an abundant number, since it is smaller than the sum of its proper divisors (110507440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103212224 is an equidigital number, since it uses as much as digits as its factorization.

103212224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70152 (or 70142 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 103212224 is about 10159.3417109575. The cubic root of 103212224 is about 469.0765389577.

Adding to 103212224 its reverse (422212301), we get a palindrome (525424525).

The spelling of 103212224 in words is "one hundred three million, two hundred twelve thousand, two hundred twenty-four".