12011112162 has 192 divisors, whose sum is σ = 32896022400. Its totient is φ = 3229994880.

The previous prime is 12011112079. The next prime is 12011112163. The reversal of 12011112162 is 26121111021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12011112163) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8696712 + ... + 8698092.

It is an arithmetic number, because the mean of its divisors is an integer number (171333450).

Almost surely, 2^12011112162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011112162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16448011200).

12011112162 is an abundant number, since it is smaller than the sum of its proper divisors (20884910238).

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

12011112162 is a wasteful number, since it uses less digits than its factorization.

12011112162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12011112162 its reverse (26121111021), we get a palindrome (38132223183).

The spelling of 12011112162 in words is "twelve billion, eleven million, one hundred twelve thousand, one hundred sixty-two".