100401212224 has 14 divisors (see below), whose sum is σ = 199233655634. Its totient is φ = 50200606080.

The previous prime is 100401212221. The next prime is 100401212267. The reversal of 100401212224 is 422212104001.

It can be written as a sum of positive squares in only one way, i.e., 95584852224 + 4816360000 = 309168^2 + 69400^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100401212221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784384407 + ... + 784384534.

Almost surely, 2^100401212224 is an apocalyptic number.

It is an amenable number.

100401212224 is a deficient number, since it is larger than the sum of its proper divisors (98832443410).

100401212224 is an equidigital number, since it uses as much as digits as its factorization.

100401212224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568768953 (or 1568768943 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 100401212224 its reverse (422212104001), we get a palindrome (522613316225).

The spelling of 100401212224 in words is "one hundred billion, four hundred one million, two hundred twelve thousand, two hundred twenty-four".