3012231500561 has 2 divisors, whose sum is σ = 3012231500562. Its totient is φ = 3012231500560.

The previous prime is 3012231500527. The next prime is 3012231500591. The reversal of 3012231500561 is 1650051322103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3002401769536 + 9829731025 = 1732744^2 + 99145^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012231500561 - 2³⁰ = 3011157758737 is a prime.

It is a super-2 number, since 2×3012231500561² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3012231500591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506115750280 + 1506115750281.

It is an arithmetic number, because the mean of its divisors is an integer number (1506115750281).

Almost surely, 2^{3012231500561} is an apocalyptic number.

It is an amenable number.

3012231500561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012231500561 is an equidigital number, since it uses as much as digits as its factorization.

3012231500561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 3012231500561 its reverse (1650051322103), we get a palindrome (4662282822664).

The spelling of 3012231500561 in words is "three trillion, twelve billion, two hundred thirty-one million, five hundred thousand, five hundred sixty-one".