12000020111211 has 16 divisors (see below), whose sum is σ = 17463521276928. Its totient is φ = 7269011724000.

The previous prime is 12000020111161. The next prime is 12000020111249. The reversal of 12000020111211 is 11211102000021.

It is not a de Polignac number, because 12000020111211 - 2²¹ = 12000018014059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000020119211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93128076 + ... + 93256841.

It is an arithmetic number, because the mean of its divisors is an integer number (1091470079808).

Almost surely, 2^{12000020111211} is an apocalyptic number.

12000020111211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12000020111211 is a deficient number, since it is larger than the sum of its proper divisors (5463501165717).

12000020111211 is a wasteful number, since it uses less digits than its factorization.

12000020111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186386882.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12000020111211 its reverse (11211102000021), we get a palindrome (23211122111232).

The spelling of 12000020111211 in words is "twelve trillion, twenty million, one hundred eleven thousand, two hundred eleven".