2012111210020 has 12 divisors (see below), whose sum is σ = 4225433541084. Its totient is φ = 804844484000.

The previous prime is 2012111209991. The next prime is 2012111210059. The reversal of 2012111210020 is 200121112102.

It can be written as a sum of positive squares in 2 ways, for example, as 1566517579236 + 445593630784 = 1251606^2 + 667528^2 .

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 3 ways as a sum of consecutive naturals, for example, 50302780231 + ... + 50302780270.

It is an arithmetic number, because the mean of its divisors is an integer number (352119461757).

Almost surely, 2^{2012111210020} is an apocalyptic number.

2012111210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012111210020 is an abundant number, since it is smaller than the sum of its proper divisors (2213322331064).

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

2012111210020 is a wasteful number, since it uses less digits than its factorization.

2012111210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100605560510 (or 100605560508 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2012111210020 its reverse (200121112102), we get a palindrome (2212232322122).

The spelling of 2012111210020 in words is "two trillion, twelve billion, one hundred eleven million, two hundred ten thousand, twenty".