12000110021020 has 24 divisors (see below), whose sum is σ = 27491161139568. Its totient is φ = 4363676371200.

The previous prime is 12000110020979. The next prime is 12000110021027. The reversal of 12000110021020 is 2012001100021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12000110020988 and 12000110021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000110021027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27272977101 + ... + 27272977540.

It is an arithmetic number, because the mean of its divisors is an integer number (1145465047482).

Almost surely, 2^{12000110021020} is an apocalyptic number.

12000110021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000110021020 is an abundant number, since it is smaller than the sum of its proper divisors (15491051118548).

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

12000110021020 is a wasteful number, since it uses less digits than its factorization.

12000110021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54545954661 (or 54545954659 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12000110021020 its reverse (2012001100021), we get a palindrome (14012111121041).

The spelling of 12000110021020 in words is "twelve trillion, one hundred ten million, twenty-one thousand, twenty".