103203212 has 96 divisors (see below), whose sum is σ = 229824000. Its totient is φ = 40388544.

The previous prime is 103203203. The next prime is 103203223. The reversal of 103203212 is 212302301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 964463 + ... + 964569.

It is an arithmetic number, because the mean of its divisors is an integer number (2394000).

Almost surely, 2^103203212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103203212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114912000).

103203212 is an abundant number, since it is smaller than the sum of its proper divisors (126620788).

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

103203212 is a wasteful number, since it uses less digits than its factorization.

103203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103203212 is about 10158.8981686008. The cubic root of 103203212 is about 469.0628860503.

Adding to 103203212 its reverse (212302301), we get a palindrome (315505513).

The spelling of 103203212 in words is "one hundred three million, two hundred three thousand, two hundred twelve".