12112020020000 has 60 divisors (see below), whose sum is σ = 29797386101406. Its totient is φ = 4844808000000.

The previous prime is 12112020019951. The next prime is 12112020020029. The reversal of 12112020020000 is 2002021121.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 448401658384 + 11663618361616 = 669628^2 + 3415204^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 302780501 + ... + 302820500.

Almost surely, 2^{12112020020000} is an apocalyptic number.

12112020020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112020020000 is an abundant number, since it is smaller than the sum of its proper divisors (17685366081406).

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

12112020020000 is an frugal number, since it uses more digits than its factorization.

12112020020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605601031 (or 605601008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12112020020000 its reverse (2002021121), we get a palindrome (12114022041121).

The spelling of 12112020020000 in words is "twelve trillion, one hundred twelve billion, twenty million, twenty thousand".