100635401212 has 12 divisors (see below), whose sum is σ = 176153605936. Its totient is φ = 50305799520.

The previous prime is 100635401201. The next prime is 100635401213. The reversal of 100635401212 is 212104536001.

It is a happy number.

It is a super-2 number, since 2×100635401212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100635401213) 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, 2956233 + ... + 2990080.

Almost surely, 2^100635401212 is an apocalyptic number.

It is an amenable number.

100635401212 is a deficient number, since it is larger than the sum of its proper divisors (75518204724).

100635401212 is a wasteful number, since it uses less digits than its factorization.

100635401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950548 (or 5950546 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 100635401212 its reverse (212104536001), we get a palindrome (312739937213).

The spelling of 100635401212 in words is "one hundred billion, six hundred thirty-five million, four hundred one thousand, two hundred twelve".