100213124 has 12 divisors (see below), whose sum is σ = 191316048. Its totient is φ = 45551400.

The previous prime is 100213123. The next prime is 100213133. The reversal of 100213124 is 421312001.

It is a junction number, because it is equal to n+sod(n) for n = 100213099 and 100213108.

It is not an unprimeable number, because it can be changed into a prime (100213123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138742 + ... + 1138829.

It is an arithmetic number, because the mean of its divisors is an integer number (15943004).

Almost surely, 2^100213124 is an apocalyptic number.

It is an amenable number.

100213124 is a deficient number, since it is larger than the sum of its proper divisors (91102924).

100213124 is a wasteful number, since it uses less digits than its factorization.

100213124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277586 (or 2277584 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 100213124 is about 10010.6505283123. The cubic root of 100213124 is about 464.4883940428.

Adding to 100213124 its reverse (421312001), we get a palindrome (521525125).

The spelling of 100213124 in words is "one hundred million, two hundred thirteen thousand, one hundred twenty-four".