12010200021020 has 48 divisors (see below), whose sum is σ = 27113732674560. Its totient is φ = 4454398926144.

The previous prime is 12010200021013. The next prime is 12010200021041. The reversal of 12010200021020 is 2012000201021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12010200020992 and 12010200021010.

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, 336213944 + ... + 336249663.

It is an arithmetic number, because the mean of its divisors is an integer number (564869430720).

Almost surely, 2^{12010200021020} is an apocalyptic number.

12010200021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010200021020 is an abundant number, since it is smaller than the sum of its proper divisors (15103532653540).

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

12010200021020 is a wasteful number, since it uses less digits than its factorization.

12010200021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672463682 (or 672463680 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12010200021020 its reverse (2012000201021), we get a palindrome (14022200222041).

The spelling of 12010200021020 in words is "twelve trillion, ten billion, two hundred million, twenty-one thousand, twenty".