12020020212020 has 24 divisors (see below), whose sum is σ = 25261716733344. Its totient is φ = 4804260601376.

The previous prime is 12020020211999. The next prime is 12020020212073. The reversal of 12020020212020 is 2021202002021.

It is a junction number, because it is equal to n+sod(n) for n = 12020020211986 and 12020020212004.

It is a congruent 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, 234191414 + ... + 234242733.

It is an arithmetic number, because the mean of its divisors is an integer number (1052571530556).

Almost surely, 2^{12020020212020} is an apocalyptic number.

12020020212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020020212020 is an abundant number, since it is smaller than the sum of its proper divisors (13241696521324).

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

12020020212020 is a wasteful number, since it uses less digits than its factorization.

12020020212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468435439 (or 468435437 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12020020212020 its reverse (2021202002021), we get a palindrome (14041222214041).

The spelling of 12020020212020 in words is "twelve trillion, twenty billion, twenty million, two hundred twelve thousand, twenty".