2021012021012 has 12 divisors (see below), whose sum is σ = 3537758710836. Its totient is φ = 1010223817920.

The previous prime is 2021012021009. The next prime is 2021012021023. The reversal of 2021012021012 is 2101202101202.

It can be written as a sum of positive squares in 2 ways, for example, as 1954532618116 + 66479402896 = 1398046^2 + 257836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70532033 + ... + 70560680.

It is an arithmetic number, because the mean of its divisors is an integer number (294813225903).

Almost surely, 2^{2021012021012} is an apocalyptic number.

It is an amenable number.

2021012021012 is a deficient number, since it is larger than the sum of its proper divisors (1516746689824).

2021012021012 is a wasteful number, since it uses less digits than its factorization.

2021012021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141096298 (or 141096296 counting only the distinct ones).

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

Adding to 2021012021012 its reverse (2101202101202), we get a palindrome (4122214122214).

The spelling of 2021012021012 in words is "two trillion, twenty-one billion, twelve million, twenty-one thousand, twelve".