103530012 has 24 divisors (see below), whose sum is σ = 254284800. Its totient is φ = 32693616.

The previous prime is 103529977. The next prime is 103530023. The reversal of 103530012 is 210035301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 103529973 and 103530000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226812 + ... + 227267.

It is an arithmetic number, because the mean of its divisors is an integer number (10595200).

Almost surely, 2^103530012 is an apocalyptic number.

103530012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103530012 is an abundant number, since it is smaller than the sum of its proper divisors (150754788).

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

103530012 is a wasteful number, since it uses less digits than its factorization.

103530012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454105 (or 454103 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 103530012 is about 10174.9698771053. The cubic root of 103530012 is about 469.5574708971.

Adding to 103530012 its reverse (210035301), we get a palindrome (313565313).

The spelling of 103530012 in words is "one hundred three million, five hundred thirty thousand, twelve".