12112220012000 has 96 divisors (see below), whose sum is σ = 29864885397984. Its totient is φ = 4827767808000.

The previous prime is 12112220011981. The next prime is 12112220012003. The reversal of 12112220012000 is 21002221121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112220012003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4217921 + ... + 6481920.

It is an arithmetic number, because the mean of its divisors is an integer number (311092556229).

Almost surely, 2^{12112220012000} is an apocalyptic number.

12112220012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112220012000 is an abundant number, since it is smaller than the sum of its proper divisors (17752665385984).

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

12112220012000 is a wasteful number, since it uses less digits than its factorization.

12112220012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700149 (or 10700131 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12112220012000 its reverse (21002221121), we get a palindrome (12133222233121).

The spelling of 12112220012000 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, twelve thousand".