12201143244 has 12 divisors (see below), whose sum is σ = 28469334264. Its totient is φ = 4067047744.

The previous prime is 12201143209. The next prime is 12201143257. The reversal of 12201143244 is 44234110221.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508380957 + ... + 508380980.

It is an arithmetic number, because the mean of its divisors is an integer number (2372444522).

Almost surely, 2^12201143244 is an apocalyptic number.

It is an amenable number.

12201143244 is an abundant number, since it is smaller than the sum of its proper divisors (16268191020).

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

12201143244 is a wasteful number, since it uses less digits than its factorization.

12201143244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016761944 (or 1016761942 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12201143244 its reverse (44234110221), we get a palindrome (56435253465).

The spelling of 12201143244 in words is "twelve billion, two hundred one million, one hundred forty-three thousand, two hundred forty-four".