12010111112012 has 96 divisors (see below), whose sum is σ = 24041958841152. Its totient is φ = 5200521117696.

The previous prime is 12010111112011. The next prime is 12010111112017. The reversal of 12010111112012 is 21021111101021.

It is not an unprimeable number, because it can be changed into a prime (12010111112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464289503 + ... + 464315369.

It is an arithmetic number, because the mean of its divisors is an integer number (250437071262).

Almost surely, 2^{12010111112012} is an apocalyptic number.

It is an amenable number.

12010111112012 is an abundant number, since it is smaller than the sum of its proper divisors (12031847729140).

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

12010111112012 is a wasteful number, since it uses less digits than its factorization.

12010111112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27547 (or 27545 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12010111112012 its reverse (21021111101021), we get a palindrome (33031222213033).

The spelling of 12010111112012 in words is "twelve trillion, ten billion, one hundred eleven million, one hundred twelve thousand, twelve".