12146219413 has 2 divisors, whose sum is σ = 12146219414. Its totient is φ = 12146219412.

The previous prime is 12146219387. The next prime is 12146219473. The reversal of 12146219413 is 31491264121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11920709124 + 225510289 = 109182^2 + 15017^2 .

It is an emirp because it is prime and its reverse (31491264121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12146219413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12146219473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073109706 + 6073109707.

It is an arithmetic number, because the mean of its divisors is an integer number (6073109707).

Almost surely, 2^12146219413 is an apocalyptic number.

It is an amenable number.

12146219413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12146219413 is an equidigital number, since it uses as much as digits as its factorization.

12146219413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The spelling of 12146219413 in words is "twelve billion, one hundred forty-six million, two hundred nineteen thousand, four hundred thirteen".