12002020212111 has 4 divisors (see below), whose sum is σ = 16002693616152. Its totient is φ = 8001346808072.

The previous prime is 12002020212107. The next prime is 12002020212121. The reversal of 12002020212111 is 11121202020021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12002020212111 - 2² = 12002020212107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002020212121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000336702016 + ... + 2000336702021.

It is an arithmetic number, because the mean of its divisors is an integer number (4000673404038).

Almost surely, 2^{12002020212111} is an apocalyptic number.

12002020212111 is a deficient number, since it is larger than the sum of its proper divisors (4000673404041).

12002020212111 is an equidigital number, since it uses as much as digits as its factorization.

12002020212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000673404040.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12002020212111 its reverse (11121202020021), we get a palindrome (23123222232132).

The spelling of 12002020212111 in words is "twelve trillion, two billion, twenty million, two hundred twelve thousand, one hundred eleven".