2021131120012 has 48 divisors (see below), whose sum is σ = 3604530101760. Its totient is φ = 991434779712.

The previous prime is 2021131120009. The next prime is 2021131120013. The reversal of 2021131120012 is 2100211311202.

It is not an unprimeable number, because it can be changed into a prime (2021131120013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104242183 + ... + 104261569.

It is an arithmetic number, because the mean of its divisors is an integer number (75094377120).

Almost surely, 2^{2021131120012} is an apocalyptic number.

It is an amenable number.

2021131120012 is a deficient number, since it is larger than the sum of its proper divisors (1583398981748).

2021131120012 is a wasteful number, since it uses less digits than its factorization.

2021131120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21550 (or 21548 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2021131120012 its reverse (2100211311202), we get a palindrome (4121342431214).

The spelling of 2021131120012 in words is "two trillion, twenty-one billion, one hundred thirty-one million, one hundred twenty thousand, twelve".