100424412 has 72 divisors (see below), whose sum is σ = 278084352. Its totient is φ = 30304800.

The previous prime is 100424399. The next prime is 100424437. The reversal of 100424412 is 214424001.

It is a super-3 number, since 3×100424412³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144987 + ... + 145677.

Almost surely, 2^100424412 is an apocalyptic number.

100424412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100424412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139042176).

100424412 is an abundant number, since it is smaller than the sum of its proper divisors (177659940).

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

100424412 is a wasteful number, since it uses less digits than its factorization.

100424412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 100424412 is about 10021.1981319601. The cubic root of 100424412 is about 464.8146052469.

Adding to 100424412 its reverse (214424001), we get a palindrome (314848413).

The spelling of 100424412 in words is "one hundred million, four hundred twenty-four thousand, four hundred twelve".