12440100112 has 80 divisors (see below), whose sum is σ = 27547951104. Its totient is φ = 5390352000.

The previous prime is 12440100083. The next prime is 12440100161. The reversal of 12440100112 is 21100104421.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348537 + ... + 382567.

Almost surely, 2^12440100112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12440100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13773975552).

12440100112 is an abundant number, since it is smaller than the sum of its proper divisors (15107850992).

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

12440100112 is a wasteful number, since it uses less digits than its factorization.

12440100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34148 (or 34142 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12440100112 its reverse (21100104421), we get a palindrome (33540204533).

The spelling of 12440100112 in words is "twelve billion, four hundred forty million, one hundred thousand, one hundred twelve".