12100013444 has 6 divisors (see below), whose sum is σ = 21175023534. Its totient is φ = 6050006720.

The previous prime is 12100013441. The next prime is 12100013491. The reversal of 12100013444 is 44431000121.

It can be written as a sum of positive squares in only one way, i.e., 12073614400 + 26399044 = 109880^2 + 5138^2 .

It is a super-2 number, since 2×12100013444² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12100013441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512501677 + ... + 1512501684.

It is an arithmetic number, because the mean of its divisors is an integer number (3529170589).

Almost surely, 2^12100013444 is an apocalyptic number.

It is an amenable number.

12100013444 is a deficient number, since it is larger than the sum of its proper divisors (9075010090).

12100013444 is a wasteful number, since it uses less digits than its factorization.

12100013444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025003365 (or 3025003363 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12100013444 its reverse (44431000121), we get a palindrome (56531013565).

The spelling of 12100013444 in words is "twelve billion, one hundred million, thirteen thousand, four hundred forty-four".