12021223012232 has 32 divisors (see below), whose sum is σ = 25781356166400. Its totient is φ = 5147634205824.

The previous prime is 12021223012223. The next prime is 12021223012297. The reversal of 12021223012232 is 23221032212021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12021223012198 and 12021223012207.

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, 89901632 + ... + 90035247.

It is an arithmetic number, because the mean of its divisors is an integer number (805667380200).

Almost surely, 2^{12021223012232} is an apocalyptic number.

It is an amenable number.

12021223012232 is an abundant number, since it is smaller than the sum of its proper divisors (13760133154168).

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

12021223012232 is a wasteful number, since it uses less digits than its factorization.

12021223012232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179938085 (or 179938081 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12021223012232 its reverse (23221032212021), we get a palindrome (35242255224253).

The spelling of 12021223012232 in words is "twelve trillion, twenty-one billion, two hundred twenty-three million, twelve thousand, two hundred thirty-two".