12400144112 has 10 divisors (see below), whose sum is σ = 24025279248. Its totient is φ = 6200072048.

The previous prime is 12400144103. The next prime is 12400144177. The reversal of 12400144112 is 21144100421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387504488 + ... + 387504519.

Almost surely, 2^12400144112 is an apocalyptic number.

It is an amenable number.

12400144112 is a deficient number, since it is larger than the sum of its proper divisors (11625135136).

12400144112 is an equidigital number, since it uses as much as digits as its factorization.

12400144112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775009015 (or 775009009 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12400144112 its reverse (21144100421), we get a palindrome (33544244533).

The spelling of 12400144112 in words is "twelve billion, four hundred million, one hundred forty-four thousand, one hundred twelve".