12001201202020 has 24 divisors (see below), whose sum is σ = 25400967588864. Its totient is φ = 4762681420896.

The previous prime is 12001201201963. The next prime is 12001201202047. The reversal of 12001201202020 is 2020210210021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2362438642 + ... + 2362443721.

It is an arithmetic number, because the mean of its divisors is an integer number (1058373649536).

Almost surely, 2^{12001201202020} is an apocalyptic number.

12001201202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001201202020 is an abundant number, since it is smaller than the sum of its proper divisors (13399766386844).

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

12001201202020 is a wasteful number, since it uses less digits than its factorization.

12001201202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724882499 (or 4724882497 counting only the distinct ones).

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

Adding to 12001201202020 its reverse (2020210210021), we get a palindrome (14021411412041).

The spelling of 12001201202020 in words is "twelve trillion, one billion, two hundred one million, two hundred two thousand, twenty".