12020010221020 has 12 divisors (see below), whose sum is σ = 25242021464184. Its totient is φ = 4808004088400.

The previous prime is 12020010220973. The next prime is 12020010221129. The reversal of 12020010221020 is 2012201002021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300500255506 + ... + 300500255545.

It is an arithmetic number, because the mean of its divisors is an integer number (2103501788682).

Almost surely, 2^{12020010221020} is an apocalyptic number.

12020010221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020010221020 is an abundant number, since it is smaller than the sum of its proper divisors (13222011243164).

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

12020010221020 is a wasteful number, since it uses less digits than its factorization.

12020010221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601000511060 (or 601000511058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020010221020 its reverse (2012201002021), we get a palindrome (14032211223041).

The spelling of 12020010221020 in words is "twelve trillion, twenty billion, ten million, two hundred twenty-one thousand, twenty".