12021303244 has 24 divisors (see below), whose sum is σ = 21218803200. Its totient is φ = 5958911760.

The previous prime is 12021303233. The next prime is 12021303263. The reversal of 12021303244 is 44230312021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384729 + ... + 414799.

It is an arithmetic number, because the mean of its divisors is an integer number (884116800).

Almost surely, 2^12021303244 is an apocalyptic number.

It is an amenable number.

12021303244 is a deficient number, since it is larger than the sum of its proper divisors (9197499956).

12021303244 is a wasteful number, since it uses less digits than its factorization.

12021303244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30933 (or 30931 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12021303244 its reverse (44230312021), we get a palindrome (56251615265).

The spelling of 12021303244 in words is "twelve billion, twenty-one million, three hundred three thousand, two hundred forty-four".