12101112132 has 24 divisors (see below), whose sum is σ = 28332304896. Its totient is φ = 4019935968.

The previous prime is 12101112109. The next prime is 12101112139. The reversal of 12101112132 is 23121110121.

It is not an unprimeable number, because it can be changed into a prime (12101112139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717348 + ... + 1724379.

It is an arithmetic number, because the mean of its divisors is an integer number (1180512704).

Almost surely, 2^12101112132 is an apocalyptic number.

12101112132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101112132 is an abundant number, since it is smaller than the sum of its proper divisors (16231192764).

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

12101112132 is a wasteful number, since it uses less digits than its factorization.

12101112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442027 (or 3442025 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12101112132 its reverse (23121110121), we get a palindrome (35222222253).

The spelling of 12101112132 in words is "twelve billion, one hundred one million, one hundred twelve thousand, one hundred thirty-two".