100401213 has 8 divisors (see below), whose sum is σ = 146038176. Its totient is φ = 60849200.

The previous prime is 100401193. The next prime is 100401221. The reversal of 100401213 is 312104001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100401213 - 2¹⁰ = 100400189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100403213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521198 + ... + 1521263.

It is an arithmetic number, because the mean of its divisors is an integer number (18254772).

Almost surely, 2^100401213 is an apocalyptic number.

It is an amenable number.

100401213 is a deficient number, since it is larger than the sum of its proper divisors (45636963).

100401213 is a wasteful number, since it uses less digits than its factorization.

100401213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042475.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100401213 is about 10020.0405687801. The cubic root of 100401213 is about 464.7788102834.

Adding to 100401213 its reverse (312104001), we get a palindrome (412505214).

The spelling of 100401213 in words is "one hundred million, four hundred one thousand, two hundred thirteen".