12021021014 has 16 divisors (see below), whose sum is σ = 18727647120. Its totient is φ = 5780124000.

The previous prime is 12021021007. The next prime is 12021021031. The reversal of 12021021014 is 41012012021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021021014.

It is a congruent number.

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, 398309 + ... + 427424.

It is an arithmetic number, because the mean of its divisors is an integer number (1170477945).

Almost surely, 2^12021021014 is an apocalyptic number.

12021021014 is a deficient number, since it is larger than the sum of its proper divisors (6706626106).

12021021014 is a wasteful number, since it uses less digits than its factorization.

12021021014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826015.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12021021014 its reverse (41012012021), we get a palindrome (53033033035).

The spelling of 12021021014 in words is "twelve billion, twenty-one million, twenty-one thousand, fourteen".