12000112212012 has 144 divisors (see below), whose sum is σ = 29265377581440. Its totient is φ = 3826795262976.

The previous prime is 12000112211981. The next prime is 12000112212043. The reversal of 12000112212012 is 21021221100021.

It is an interprime number because it is at equal distance from previous prime (12000112211981) and next prime (12000112212043).

It is a junction number, because it is equal to n+sod(n) for n = 12000112211982 and 12000112212000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 511218708 + ... + 511242180.

It is an arithmetic number, because the mean of its divisors is an integer number (203231788760).

Almost surely, 2^{12000112212012} is an apocalyptic number.

12000112212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000112212012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14632688790720).

12000112212012 is an abundant number, since it is smaller than the sum of its proper divisors (17265265369428).

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

12000112212012 is a wasteful number, since it uses less digits than its factorization.

12000112212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24000 (or 23969 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12000112212012 its reverse (21021221100021), we get a palindrome (33021333312033).

The spelling of 12000112212012 in words is "twelve trillion, one hundred twelve million, two hundred twelve thousand, twelve".