12010111211112 has 128 divisors (see below), whose sum is σ = 35255964441600. Its totient is φ = 3338523445248.

The previous prime is 12010111211081. The next prime is 12010111211149. The reversal of 12010111211112 is 21111211101021.

It is a junction number, because it is equal to n+sod(n) for n = 12010111211091 and 12010111211100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5284278 + ... + 7207205.

It is an arithmetic number, because the mean of its divisors is an integer number (275437222200).

Almost surely, 2^{12010111211112} is an apocalyptic number.

12010111211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12010111211112 is an abundant number, since it is smaller than the sum of its proper divisors (23245853230488).

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

12010111211112 is a wasteful number, since it uses less digits than its factorization.

12010111211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12491655 (or 12491651 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12010111211112 its reverse (21111211101021), we get a palindrome (33121322312133).

The spelling of 12010111211112 in words is "twelve trillion, ten billion, one hundred eleven million, two hundred eleven thousand, one hundred twelve".