12021224032 has 24 divisors (see below), whose sum is σ = 23734620000. Its totient is φ = 5993384064.

The previous prime is 12021224029. The next prime is 12021224053. The reversal of 12021224032 is 23042212021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527032 + ... + 549367.

It is an arithmetic number, because the mean of its divisors is an integer number (988942500).

Almost surely, 2^12021224032 is an apocalyptic number.

It is an amenable number.

12021224032 is a deficient number, since it is larger than the sum of its proper divisors (11713395968).

12021224032 is a wasteful number, since it uses less digits than its factorization.

12021224032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076758 (or 1076750 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12021224032 its reverse (23042212021), we get a palindrome (35063436053).

The spelling of 12021224032 in words is "twelve billion, twenty-one million, two hundred twenty-four thousand, thirty-two".