12021034444 has 6 divisors (see below), whose sum is σ = 21036810284. Its totient is φ = 6010517220.

The previous prime is 12021034411. The next prime is 12021034457. The reversal of 12021034444 is 44443012021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502629302 + ... + 1502629309.

Almost surely, 2^12021034444 is an apocalyptic number.

It is an amenable number.

12021034444 is a deficient number, since it is larger than the sum of its proper divisors (9015775840).

12021034444 is a wasteful number, since it uses less digits than its factorization.

12021034444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005258615 (or 3005258613 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12021034444 its reverse (44443012021), we get a palindrome (56464046465).

The spelling of 12021034444 in words is "twelve billion, twenty-one million, thirty-four thousand, four hundred forty-four".