2012122020020 has 48 divisors (see below), whose sum is σ = 4841507099520. Its totient is φ = 688096942464.

The previous prime is 2012122019987. The next prime is 2012122020061. The reversal of 2012122020020 is 200202212102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2012122019977 and 2012122020004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18418934 + ... + 18527853.

It is an arithmetic number, because the mean of its divisors is an integer number (100864731240).

Almost surely, 2^{2012122020020} is an apocalyptic number.

2012122020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012122020020 is an abundant number, since it is smaller than the sum of its proper divisors (2829385079500).

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

2012122020020 is a wasteful number, since it uses less digits than its factorization.

2012122020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36947192 (or 36947190 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2012122020020 its reverse (200202212102), we get a palindrome (2212324232122).

The spelling of 2012122020020 in words is "two trillion, twelve billion, one hundred twenty-two million, twenty thousand, twenty".