12102020122020 has 96 divisors (see below), whose sum is σ = 34267863369600. Its totient is φ = 3190807809024.

The previous prime is 12102020122009. The next prime is 12102020122069. The reversal of 12102020122020 is 2022102020121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207520626 + ... + 207578934.

It is an arithmetic number, because the mean of its divisors is an integer number (356956910100).

Almost surely, 2^{12102020122020} is an apocalyptic number.

12102020122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102020122020 is an abundant number, since it is smaller than the sum of its proper divisors (22165843247580).

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

12102020122020 is a wasteful number, since it uses less digits than its factorization.

12102020122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97277 (or 97275 counting only the distinct ones).

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

Adding to 12102020122020 its reverse (2022102020121), we get a palindrome (14124122142141).

It can be divided in two parts, 12102020 and 122020, that added together give a triangular number (12224040 = T₄₉₄₄).

The spelling of 12102020122020 in words is "twelve trillion, one hundred two billion, twenty million, one hundred twenty-two thousand, twenty".