12044140061 has 2 divisors, whose sum is σ = 12044140062. Its totient is φ = 12044140060.

The previous prime is 12044140039. The next prime is 12044140079. The reversal of 12044140061 is 16004144021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11220105625 + 824034436 = 105925^2 + 28706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12044140061 is a prime.

It is a super-2 number, since 2×12044140061² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12044140961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022070030 + 6022070031.

It is an arithmetic number, because the mean of its divisors is an integer number (6022070031).

Almost surely, 2^12044140061 is an apocalyptic number.

It is an amenable number.

12044140061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12044140061 is an equidigital number, since it uses as much as digits as its factorization.

12044140061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12044140061 its reverse (16004144021), we get a palindrome (28048284082).

The spelling of 12044140061 in words is "twelve billion, forty-four million, one hundred forty thousand, sixty-one".