12146021633 has 2 divisors, whose sum is σ = 12146021634. Its totient is φ = 12146021632.

The previous prime is 12146021609. The next prime is 12146021659. The reversal of 12146021633 is 33612064121.

12146021633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10942833664 + 1203187969 = 104608^2 + 34687^2 .

It is an emirp because it is prime and its reverse (33612064121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12146021633 - 2¹⁰ = 12146020609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12146021596 and 12146021605.

It is not a weakly prime, because it can be changed into another prime (12146051633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073010816 + 6073010817.

It is an arithmetic number, because the mean of its divisors is an integer number (6073010817).

Almost surely, 2^12146021633 is an apocalyptic number.

It is an amenable number.

12146021633 is a deficient number, since it is larger than the sum of its proper divisors (1).

12146021633 is an equidigital number, since it uses as much as digits as its factorization.

12146021633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 12146021633 its reverse (33612064121), we get a palindrome (45758085754).

The spelling of 12146021633 in words is "twelve billion, one hundred forty-six million, twenty-one thousand, six hundred thirty-three".