3012123235081 has 2 divisors, whose sum is σ = 3012123235082. Its totient is φ = 3012123235080.

The previous prime is 3012123235067. The next prime is 3012123235109. The reversal of 3012123235081 is 1805323212103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2633184498681 + 378938736400 = 1622709^2 + 615580^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012123235081 - 2¹⁵ = 3012123202313 is a prime.

It is a super-2 number, since 2×3012123235081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3012123295081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506061617540 + 1506061617541.

It is an arithmetic number, because the mean of its divisors is an integer number (1506061617541).

Almost surely, 2^{3012123235081} is an apocalyptic number.

It is an amenable number.

3012123235081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012123235081 is an equidigital number, since it uses as much as digits as its factorization.

3012123235081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 3012123235081 its reverse (1805323212103), we get a palindrome (4817446447184).

It can be divided in two parts, 3012123 and 235081, that added together give a square (3247204 = 1802²).

The spelling of 3012123235081 in words is "three trillion, twelve billion, one hundred twenty-three million, two hundred thirty-five thousand, eighty-one".