100412 has 12 divisors (see below), whose sum is σ = 189336. Its totient is φ = 46320.

The previous prime is 100411. The next prime is 100417. The reversal of 100412 is 214001.

It is a self number, because there is not a number n which added to its sum of digits gives 100412.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 100412.

It is not an unprimeable number, because it can be changed into a prime (100411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914 + ... + 1017.

It is an arithmetic number, because the mean of its divisors is an integer number (15778).

2¹⁰⁰⁴¹² is an apocalyptic number.

It is an amenable number.

100412 is a deficient number, since it is larger than the sum of its proper divisors (88924).

100412 is a wasteful number, since it uses less digits than its factorization.

100412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 100412 is about 316.8785256214. The cubic root of 100412 is about 46.4795454802.

Adding to 100412 its reverse (214001), we get a palindrome (314413).

It can be divided in two parts, 100 and 412, that added together give a 9-th power (512 = 2⁹).

The spelling of 100412 in words is "one hundred thousand, four hundred twelve", and thus it is an iban number.