12144442002 has 64 divisors (see below), whose sum is σ = 31876070400. Its totient is φ = 2988377280.

The previous prime is 12144441989. The next prime is 12144442007. The reversal of 12144442002 is 20024444121.

It is not an unprimeable number, because it can be changed into a prime (12144442007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682977 + ... + 700532.

It is an arithmetic number, because the mean of its divisors is an integer number (498063600).

Almost surely, 2^12144442002 is an apocalyptic number.

12144442002 is an abundant number, since it is smaller than the sum of its proper divisors (19731628398).

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

12144442002 is a wasteful number, since it uses less digits than its factorization.

12144442002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383551.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12144442002 its reverse (20024444121), we get a palindrome (32168886123).

The spelling of 12144442002 in words is "twelve billion, one hundred forty-four million, four hundred forty-two thousand, two".