12444120342 has 64 divisors (see below), whose sum is σ = 28627473600. Its totient is φ = 4002163200.

The previous prime is 12444120331. The next prime is 12444120379. The reversal of 12444120342 is 24302144421.

12444120342 is a `hidden beast` number, since 1 + 244 + 412 + 0 + 3 + 4 + 2 = 666.

It is a super-2 number, since 2×12444120342² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4384948 + ... + 4387784.

It is an arithmetic number, because the mean of its divisors is an integer number (447304275).

Almost surely, 2^12444120342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12444120342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14313736800).

12444120342 is an abundant number, since it is smaller than the sum of its proper divisors (16183353258).

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

12444120342 is a wasteful number, since it uses less digits than its factorization.

12444120342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678 (or 5672 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12444120342 its reverse (24302144421), we get a palindrome (36746264763).

The spelling of 12444120342 in words is "twelve billion, four hundred forty-four million, one hundred twenty thousand, three hundred forty-two".