12002322021021 has 64 divisors (see below), whose sum is σ = 19320409785600. Its totient is φ = 7335618121728.

The previous prime is 12002322020977. The next prime is 12002322021043. The reversal of 12002322021021 is 12012022320021.

12002322021021 is a `hidden beast` number, since 1 + 200 + 232 + 2 + 0 + 210 + 21 = 666.

It is not a de Polignac number, because 12002322021021 - 2¹³ = 12002322012829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002322020985 and 12002322021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002322021061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1606725 + ... + 5156181.

It is an arithmetic number, because the mean of its divisors is an integer number (301881402900).

Almost surely, 2^{12002322021021} is an apocalyptic number.

It is an amenable number.

12002322021021 is a deficient number, since it is larger than the sum of its proper divisors (7318087764579).

12002322021021 is a wasteful number, since it uses less digits than its factorization.

12002322021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549675 (or 3549669 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12002322021021 its reverse (12012022320021), we get a palindrome (24014344341042).

The spelling of 12002322021021 in words is "twelve trillion, two billion, three hundred twenty-two million, twenty-one thousand, twenty-one".