2012110000020 has 36 divisors (see below), whose sum is σ = 6103400333940. Its totient is φ = 536562666624.

The previous prime is 2012110000009. The next prime is 2012110000067. The reversal of 2012110000020 is 200000112102.

It can be written as a sum of positive squares in 2 ways, for example, as 1566938147076 + 445171852944 = 1251774^2 + 667212^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2012109999957 and 2012110000011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5589194265 + ... + 5589194624.

It is an arithmetic number, because the mean of its divisors is an integer number (169538898165).

Almost surely, 2^{2012110000020} is an apocalyptic number.

2012110000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012110000020 is an abundant number, since it is smaller than the sum of its proper divisors (4091290333920).

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

2012110000020 is a wasteful number, since it uses less digits than its factorization.

2012110000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11178388904 (or 11178388899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2012110000020 its reverse (200000112102), we get a palindrome (2212110112122).

The spelling of 2012110000020 in words is "two trillion, twelve billion, one hundred ten million, twenty", and thus it is an aban number.