2012011102020 has 24 divisors (see below), whose sum is σ = 5633631085824. Its totient is φ = 536536293856.

The previous prime is 2012011101953. The next prime is 2012011102051. The reversal of 2012011102020 is 202011102102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2012011101987 and 2012011102005.

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 7 ways as a sum of consecutive naturals, for example, 16766759124 + ... + 16766759243.

It is an arithmetic number, because the mean of its divisors is an integer number (234734628576).

Almost surely, 2^{2012011102020} is an apocalyptic number.

2012011102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012011102020 is an abundant number, since it is smaller than the sum of its proper divisors (3621619983804).

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

2012011102020 is a wasteful number, since it uses less digits than its factorization.

2012011102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33533518379 (or 33533518377 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2012011102020 its reverse (202011102102), we get a palindrome (2214022204122).

The spelling of 2012011102020 in words is "two trillion, twelve billion, eleven million, one hundred two thousand, twenty".