100043412 has 48 divisors (see below), whose sum is σ = 274001280. Its totient is φ = 27810432.

The previous prime is 100043393. The next prime is 100043423. The reversal of 100043412 is 214340001.

It is a junction number, because it is equal to n+sod(n) for n = 100043391 and 100043400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12987 + ... + 19202.

It is an arithmetic number, because the mean of its divisors is an integer number (5708360).

Almost surely, 2^100043412 is an apocalyptic number.

100043412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100043412 is an abundant number, since it is smaller than the sum of its proper divisors (173957868).

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

100043412 is a wasteful number, since it uses less digits than its factorization.

100043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32240 (or 32238 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 100043412 is about 10002.1703644759. The cubic root of 100043412 is about 464.2260405289.

Adding to 100043412 its reverse (214340001), we get a palindrome (314383413).

The spelling of 100043412 in words is "one hundred million, forty-three thousand, four hundred twelve".