12102011202020 has 24 divisors (see below), whose sum is σ = 25415095368768. Its totient is φ = 4840638415200.

The previous prime is 12102011201971. The next prime is 12102011202023. The reversal of 12102011202020 is 2020211020121.

It is a super-3 number, since 3×12102011202020³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102011201986 and 12102011202004.

It is not an unprimeable number, because it can be changed into a prime (12102011202023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9780686 + ... + 10948325.

It is an arithmetic number, because the mean of its divisors is an integer number (1058962307032).

Almost surely, 2^{12102011202020} is an apocalyptic number.

12102011202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102011202020 is an abundant number, since it is smaller than the sum of its proper divisors (13313084166748).

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

12102011202020 is a wasteful number, since it uses less digits than its factorization.

12102011202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20758211 (or 20758209 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12102011202020 its reverse (2020211020121), we get a palindrome (14122222222141).

The spelling of 12102011202020 in words is "twelve trillion, one hundred two billion, eleven million, two hundred two thousand, twenty".