13122411400061 has 2 divisors, whose sum is σ = 13122411400062. Its totient is φ = 13122411400060.

The previous prime is 13122411400003. The next prime is 13122411400103. The reversal of 13122411400061 is 16000411422131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13113132894436 + 9278505625 = 3621206^2 + 96325^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122411400061 - 2⁴² = 8724364888957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13122411400061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13122411400561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561205700030 + 6561205700031.

It is an arithmetic number, because the mean of its divisors is an integer number (6561205700031).

Almost surely, 2^{13122411400061} is an apocalyptic number.

It is an amenable number.

13122411400061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122411400061 is an equidigital number, since it uses as much as digits as its factorization.

13122411400061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 13122411400061 its reverse (16000411422131), we get a palindrome (29122822822192).

The spelling of 13122411400061 in words is "thirteen trillion, one hundred twenty-two billion, four hundred eleven million, four hundred thousand, sixty-one".