12111334200020 has 48 divisors (see below), whose sum is σ = 27748395255168. Its totient is φ = 4403735871360.

The previous prime is 12111334199989. The next prime is 12111334200073. The reversal of 12111334200020 is 2000243311121.

12111334200020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12111334200020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12111334199965 and 12111334200001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113714 + ... + 4922966.

It is an arithmetic number, because the mean of its divisors is an integer number (578091567816).

Almost surely, 2^{12111334200020} is an apocalyptic number.

12111334200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111334200020 is an abundant number, since it is smaller than the sum of its proper divisors (15637061055148).

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

12111334200020 is a wasteful number, since it uses less digits than its factorization.

12111334200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820720 (or 4820718 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12111334200020 its reverse (2000243311121), we get a palindrome (14111577511141).

The spelling of 12111334200020 in words is "twelve trillion, one hundred eleven billion, three hundred thirty-four million, two hundred thousand, twenty".