2012120044000 has 192 divisors, whose sum is σ = 5420338560000. Its totient is φ = 728000064000.

The previous prime is 2012120043961. The next prime is 2012120044001. The reversal of 2012120044000 is 4400212102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012120044001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8641101 + ... + 8870899.

It is an arithmetic number, because the mean of its divisors is an integer number (28230930000).

Almost surely, 2^{2012120044000} is an apocalyptic number.

2012120044000 is a gapful number since it is divisible by the number (20) 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 2012120044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2710169280000).

2012120044000 is an abundant number, since it is smaller than the sum of its proper divisors (3408218516000).

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

2012120044000 is a wasteful number, since it uses less digits than its factorization.

2012120044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230034 (or 230016 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2012120044000 its reverse (4400212102), we get a palindrome (2016520256102).

The spelling of 2012120044000 in words is "two trillion, twelve billion, one hundred twenty million, forty-four thousand".