12021302322020 has 24 divisors (see below), whose sum is σ = 25247319983424. Its totient is φ = 4808028527456.

The previous prime is 12021302321921. The next prime is 12021302322031. The reversal of 12021302322020 is 2022320312021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12021302321983 and 12021302322001.

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, 30574862 + ... + 30965541.

It is an arithmetic number, because the mean of its divisors is an integer number (1051971665976).

Almost surely, 2^{12021302322020} is an apocalyptic number.

12021302322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021302322020 is an abundant number, since it is smaller than the sum of its proper divisors (13226017661404).

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

12021302322020 is a wasteful number, since it uses less digits than its factorization.

12021302322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61550179 (or 61550177 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12021302322020 its reverse (2022320312021), we get a palindrome (14043622634041).

The spelling of 12021302322020 in words is "twelve trillion, twenty-one billion, three hundred two million, three hundred twenty-two thousand, twenty".