2012121120000 has 180 divisors, whose sum is σ = 6691830178880. Its totient is φ = 536565504000.

The previous prime is 2012121119999. The next prime is 2012121120049. The reversal of 2012121120000 is 211212102.

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 polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1615960 + ... + 2575959.

Almost surely, 2^{2012121120000} is an apocalyptic number.

2012121120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012121120000 is an abundant number, since it is smaller than the sum of its proper divisors (4679709058880).

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

2012121120000 is an frugal number, since it uses more digits than its factorization.

2012121120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191958 (or 4191929 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2012121120000 its reverse (211212102), we get a palindrome (2012332332102).

The spelling of 2012121120000 in words is "two trillion, twelve billion, one hundred twenty-one million, one hundred twenty thousand".