6122712721481 has 2 divisors, whose sum is σ = 6122712721482. Its totient is φ = 6122712721480.

The previous prime is 6122712721409. The next prime is 6122712721507. The reversal of 6122712721481 is 1841272172216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3971550765625 + 2151161955856 = 1992875^2 + 1466684^2 .

It is a cyclic number.

It is not a de Polignac number, because 6122712721481 - 2¹⁰ = 6122712720457 is a prime.

It is a super-2 number, since 2×6122712721481² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6122712729481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3061356360740 + 3061356360741.

It is an arithmetic number, because the mean of its divisors is an integer number (3061356360741).

Almost surely, 2^{6122712721481} is an apocalyptic number.

It is an amenable number.

6122712721481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6122712721481 is an equidigital number, since it uses as much as digits as its factorization.

6122712721481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 44.

Adding to 6122712721481 its reverse (1841272172216), we get a palindrome (7963984893697).

The spelling of 6122712721481 in words is "six trillion, one hundred twenty-two billion, seven hundred twelve million, seven hundred twenty-one thousand, four hundred eighty-one".