2012021130020 has 96 divisors (see below), whose sum is σ = 4886642912256. Its totient is φ = 688906252800.

The previous prime is 2012021130013. The next prime is 2012021130029. The reversal of 2012021130020 is 200311202102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2012021129977 and 2012021130004.

It is not an unprimeable number, because it can be changed into a prime (2012021130029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3734387 + ... + 4239066.

It is an arithmetic number, because the mean of its divisors is an integer number (50902530336).

Almost surely, 2^{2012021130020} is an apocalyptic number.

2012021130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012021130020 is an abundant number, since it is smaller than the sum of its proper divisors (2874621782236).

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

2012021130020 is a wasteful number, since it uses less digits than its factorization.

2012021130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7973541 (or 7973539 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2012021130020 its reverse (200311202102), we get a palindrome (2212332332122).

The spelling of 2012021130020 in words is "two trillion, twelve billion, twenty-one million, one hundred thirty thousand, twenty".