12002102444 has 6 divisors (see below), whose sum is σ = 21003679284. Its totient is φ = 6001051220.

The previous prime is 12002102311. The next prime is 12002102447. The reversal of 12002102444 is 44420120021.

It is not an unprimeable number, because it can be changed into a prime (12002102447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500262802 + ... + 1500262809.

It is an arithmetic number, because the mean of its divisors is an integer number (3500613214).

Almost surely, 2^12002102444 is an apocalyptic number.

It is an amenable number.

12002102444 is a deficient number, since it is larger than the sum of its proper divisors (9001576840).

12002102444 is a wasteful number, since it uses less digits than its factorization.

12002102444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000525615 (or 3000525613 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12002102444 its reverse (44420120021), we get a palindrome (56422222465).

The spelling of 12002102444 in words is "twelve billion, two million, one hundred two thousand, four hundred forty-four".