12444550100 has 72 divisors (see below), whose sum is σ = 27917879808. Its totient is φ = 4809974400.

The previous prime is 12444550087. The next prime is 12444550123. The reversal of 12444550100 is 105544421.

It is a self number, because there is not a number n which added to its sum of digits gives 12444550100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2344049 + ... + 2349351.

Almost surely, 2^12444550100 is an apocalyptic number.

12444550100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12444550100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13958939904).

12444550100 is an abundant number, since it is smaller than the sum of its proper divisors (15473329708).

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

12444550100 is a wasteful number, since it uses less digits than its factorization.

12444550100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105 (or 6098 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 12444550100 in words is "twelve billion, four hundred forty-four million, five hundred fifty thousand, one hundred".