12100373812 has 6 divisors (see below), whose sum is σ = 21175654178. Its totient is φ = 6050186904.

The previous prime is 12100373783. The next prime is 12100373819. The reversal of 12100373812 is 21837300121.

It can be written as a sum of positive squares in only one way, i.e., 10983878416 + 1116495396 = 104804^2 + 33414^2 .

It is a super-2 number, since 2×12100373812² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100373819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512546723 + ... + 1512546730.

Almost surely, 2^12100373812 is an apocalyptic number.

It is an amenable number.

12100373812 is a deficient number, since it is larger than the sum of its proper divisors (9075280366).

12100373812 is a wasteful number, since it uses less digits than its factorization.

12100373812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025093457 (or 3025093455 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 12100373812 its reverse (21837300121), we get a palindrome (33937673933).

The spelling of 12100373812 in words is "twelve billion, one hundred million, three hundred seventy-three thousand, eight hundred twelve".