12146200161061 has 2 divisors, whose sum is σ = 12146200161062. Its totient is φ = 12146200161060.

The previous prime is 12146200161049. The next prime is 12146200161101. The reversal of 12146200161061 is 16016100264121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11929556458561 + 216643702500 = 3453919^2 + 465450^2 .

It is an emirp because it is prime and its reverse (16016100264121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12146200161061 - 2¹¹ = 12146200159013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12146200161031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073100080530 + 6073100080531.

It is an arithmetic number, because the mean of its divisors is an integer number (6073100080531).

Almost surely, 2^{12146200161061} is an apocalyptic number.

It is an amenable number.

12146200161061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12146200161061 is an equidigital number, since it uses as much as digits as its factorization.

12146200161061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 12146200161061 in words is "twelve trillion, one hundred forty-six billion, two hundred million, one hundred sixty-one thousand, sixty-one".