12100000212111 has 48 divisors (see below), whose sum is σ = 18795548037600. Its totient is φ = 6903903750912.

The previous prime is 12100000212073. The next prime is 12100000212119. The reversal of 12100000212111 is 11121200000121.

It is not a de Polignac number, because 12100000212111 - 2²⁵ = 12099966657679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100000212119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282497445 + ... + 282540273.

It is an arithmetic number, because the mean of its divisors is an integer number (391573917450).

Almost surely, 2^{12100000212111} is an apocalyptic number.

12100000212111 is a deficient number, since it is larger than the sum of its proper divisors (6695547825489).

12100000212111 is a wasteful number, since it uses less digits than its factorization.

12100000212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45688 (or 45681 counting only the distinct ones).

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

Adding to 12100000212111 its reverse (11121200000121), we get a palindrome (23221200212232).

The spelling of 12100000212111 in words is "twelve trillion, one hundred billion, two hundred twelve thousand, one hundred eleven".