2012120220000 has 480 divisors, whose sum is σ = 7209591992064. Its totient is φ = 487148800000.

The previous prime is 2012120219981. The next prime is 2012120220013. The reversal of 2012120220000 is 220212102.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 680458522 + ... + 680461478.

Almost surely, 2^{2012120220000} is an apocalyptic number.

2012120220000 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 2012120220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3604795996032).

2012120220000 is an abundant number, since it is smaller than the sum of its proper divisors (5197471772064).

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

2012120220000 is a wasteful number, since it uses less digits than its factorization.

2012120220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2012120220000 its reverse (220212102), we get a palindrome (2012340432102).

The spelling of 2012120220000 in words is "two trillion, twelve billion, one hundred twenty million, two hundred twenty thousand".