2012000012120 has 64 divisors (see below), whose sum is σ = 5446015084800. Its totient is φ = 653521806720.

The previous prime is 2012000012047. The next prime is 2012000012123. The reversal of 2012000012120 is 212100002102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012000012123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189092426 + ... + 189103065.

It is an arithmetic number, because the mean of its divisors is an integer number (85093985700).

Almost surely, 2^{2012000012120} is an apocalyptic number.

2012000012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012000012120 is an abundant number, since it is smaller than the sum of its proper divisors (3434015072680).

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

2012000012120 is a wasteful number, since it uses less digits than its factorization.

2012000012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378195528 (or 378195524 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2012000012120 its reverse (212100002102), we get a palindrome (2224100014222).

The spelling of 2012000012120 in words is "two trillion, twelve billion, twelve thousand, one hundred twenty".