3020012123081 has 2 divisors, whose sum is σ = 3020012123082. Its totient is φ = 3020012123080.

The previous prime is 3020012123041. The next prime is 3020012123123. The reversal of 3020012123081 is 1803212100203.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2783758771600 + 236253351481 = 1668460^2 + 486059^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020012123081 - 2³⁰ = 3018938381257 is a prime.

It is a super-3 number, since 3×3020012123081³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3020012123041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510006061540 + 1510006061541.

It is an arithmetic number, because the mean of its divisors is an integer number (1510006061541).

Almost surely, 2^{3020012123081} is an apocalyptic number.

It is an amenable number.

3020012123081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020012123081 is an equidigital number, since it uses as much as digits as its factorization.

3020012123081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 3020012123081 its reverse (1803212100203), we get a palindrome (4823224223284).

The spelling of 3020012123081 in words is "three trillion, twenty billion, twelve million, one hundred twenty-three thousand, eighty-one".