2012012021021 has 16 divisors (see below), whose sum is σ = 2045306592000. Its totient is φ = 1978937388288.

The previous prime is 2012012020957. The next prime is 2012012021023. The reversal of 2012012021021 is 1201202102102.

It is not a de Polignac number, because 2012012021021 - 2⁶ = 2012012020957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012012020987 and 2012012021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012012021023) 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 15 ways as a sum of consecutive naturals, for example, 92211305 + ... + 92233121.

It is an arithmetic number, because the mean of its divisors is an integer number (127831662000).

Almost surely, 2^{2012012021021} is an apocalyptic number.

It is an amenable number.

2012012021021 is a deficient number, since it is larger than the sum of its proper divisors (33294570979).

2012012021021 is a wasteful number, since it uses less digits than its factorization.

2012012021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26788.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012012021021 its reverse (1201202102102), we get a palindrome (3213214123123).

It can be divided in two parts, 201201 and 2021021, that added together give a palindrome (2222222).

The spelling of 2012012021021 in words is "two trillion, twelve billion, twelve million, twenty-one thousand, twenty-one".