12100213312 has 28 divisors (see below), whose sum is σ = 26194213296. Its totient is φ = 5500096640.

The previous prime is 12100213259. The next prime is 12100213319. The reversal of 12100213312 is 21331200121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (12100213319) 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, 8593198 + ... + 8594605.

Almost surely, 2^12100213312 is an apocalyptic number.

It is an amenable number.

12100213312 is an abundant number, since it is smaller than the sum of its proper divisors (14093999984).

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

12100213312 is a wasteful number, since it uses less digits than its factorization.

12100213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17187826 (or 17187816 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12100213312 its reverse (21331200121), we get a palindrome (33431413433).

The spelling of 12100213312 in words is "twelve billion, one hundred million, two hundred thirteen thousand, three hundred twelve".