12230001221020 has 48 divisors (see below), whose sum is σ = 28921621671936. Its totient is φ = 4303812744000.

The previous prime is 12230001220999. The next prime is 12230001221111. The reversal of 12230001221020 is 2012210003221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12230001220985 and 12230001221003.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 896620836 + ... + 896634475.

It is an arithmetic number, because the mean of its divisors is an integer number (602533784832).

Almost surely, 2^{12230001221020} is an apocalyptic number.

12230001221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230001221020 is an abundant number, since it is smaller than the sum of its proper divisors (16691620450916).

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

12230001221020 is a wasteful number, since it uses less digits than its factorization.

12230001221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793255362 (or 1793255360 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12230001221020 its reverse (2012210003221), we get a palindrome (14242211224241).

The spelling of 12230001221020 in words is "twelve trillion, two hundred thirty billion, one million, two hundred twenty-one thousand, twenty".