12021103230020 has 24 divisors (see below), whose sum is σ = 25248469747200. Its totient is φ = 4807650251232.

The previous prime is 12021103230011. The next prime is 12021103230043. The reversal of 12021103230020 is 2003230112021.

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 7 ways as a sum of consecutive naturals, for example, 49315430 + ... + 49558589.

It is an arithmetic number, because the mean of its divisors is an integer number (1052019572800).

Almost surely, 2^{12021103230020} is an apocalyptic number.

12021103230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021103230020 is an abundant number, since it is smaller than the sum of its proper divisors (13227366517180).

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

12021103230020 is a wasteful number, since it uses less digits than its factorization.

12021103230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98880107 (or 98880105 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12021103230020 its reverse (2003230112021), we get a palindrome (14024333342041).

The spelling of 12021103230020 in words is "twelve trillion, twenty-one billion, one hundred three million, two hundred thirty thousand, twenty".