100040412 has 12 divisors (see below), whose sum is σ = 233427656. Its totient is φ = 33346800.

The previous prime is 100040407. The next prime is 100040417. The reversal of 100040412 is 214040001.

It is an interprime number because it is at equal distance from previous prime (100040407) and next prime (100040417).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8336701 = 100040412 / (1 + 0 + 0 + 0 + 4 + 0 + 4 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100040417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4168339 + ... + 4168362.

Almost surely, 2^100040412 is an apocalyptic number.

100040412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100040412 is an abundant number, since it is smaller than the sum of its proper divisors (133387244).

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

100040412 is a wasteful number, since it uses less digits than its factorization.

100040412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8336708 (or 8336706 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 100040412 is about 10002.0203959000. The cubic root of 100040412 is about 464.2214002366.

Adding to 100040412 its reverse (214040001), we get a palindrome (314080413).

The spelling of 100040412 in words is "one hundred million, forty thousand, four hundred twelve".