103403212 has 72 divisors (see below), whose sum is σ = 211150800. Its totient is φ = 44204160.

The previous prime is 103403207. The next prime is 103403221. The reversal of 103403212 is 212304301.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 743839 + ... + 743977.

It is an arithmetic number, because the mean of its divisors is an integer number (2932650).

Almost surely, 2^103403212 is an apocalyptic number.

It is an amenable number.

103403212 is an abundant number, since it is smaller than the sum of its proper divisors (107747588).

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

103403212 is a wasteful number, since it uses less digits than its factorization.

103403212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103403212 is about 10168.7369913869. The cubic root of 103403212 is about 469.3656932983.

Adding to 103403212 its reverse (212304301), we get a palindrome (315707513).

The spelling of 103403212 in words is "one hundred three million, four hundred three thousand, two hundred twelve".