12102201202020 has 96 divisors (see below), whose sum is σ = 33935125340928. Its totient is φ = 3222593966592.

The previous prime is 12102201202009. The next prime is 12102201202027. The reversal of 12102201202020 is 2020210220121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12102201202027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118478289 + ... + 118580391.

It is an arithmetic number, because the mean of its divisors is an integer number (353490888968).

Almost surely, 2^{12102201202020} is an apocalyptic number.

12102201202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102201202020 is an abundant number, since it is smaller than the sum of its proper divisors (21832924138908).

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

12102201202020 is a wasteful number, since it uses less digits than its factorization.

12102201202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104949 (or 104947 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12102201202020 its reverse (2020210220121), we get a palindrome (14122411422141).

The spelling of 12102201202020 in words is "twelve trillion, one hundred two billion, two hundred one million, two hundred two thousand, twenty".