12012113233212 has 96 divisors (see below), whose sum is σ = 28967132995584. Its totient is φ = 3870226483200.

The previous prime is 12012113233151. The next prime is 12012113233229. The reversal of 12012113233212 is 21233231121021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2274588012 + ... + 2274593292.

It is an arithmetic number, because the mean of its divisors is an integer number (301740968704).

Almost surely, 2^{12012113233212} is an apocalyptic number.

12012113233212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012113233212 is an abundant number, since it is smaller than the sum of its proper divisors (16955019762372).

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

12012113233212 is a wasteful number, since it uses less digits than its factorization.

12012113233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499 (or 11497 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12012113233212 its reverse (21233231121021), we get a palindrome (33245344354233).

The spelling of 12012113233212 in words is "twelve trillion, twelve billion, one hundred thirteen million, two hundred thirty-three thousand, two hundred twelve".