2012210120000 has 70 divisors (see below), whose sum is σ = 4989627228498. Its totient is φ = 804884032000.

The previous prime is 2012210119981. The next prime is 2012210120017. The reversal of 2012210120000 is 210122102.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 574091105344 + 1438119014656 = 757688^2 + 1199216^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25112627 + ... + 25192626.

Almost surely, 2^{2012210120000} is an apocalyptic number.

2012210120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012210120000 is an abundant number, since it is smaller than the sum of its proper divisors (2977417108498).

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

2012210120000 is an frugal number, since it uses more digits than its factorization.

2012210120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50305285 (or 50305260 counting only the distinct ones).

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

Adding to 2012210120000 its reverse (210122102), we get a palindrome (2012420242102).

The spelling of 2012210120000 in words is "two trillion, twelve billion, two hundred ten million, one hundred twenty thousand".