12120034453 has 2 divisors, whose sum is σ = 12120034454. Its totient is φ = 12120034452.

The previous prime is 12120034447. The next prime is 12120034471. The reversal of 12120034453 is 35443002121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10176370884 + 1943663569 = 100878^2 + 44087^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120034453 - 2²¹ = 12117937301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120037453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060017226 + 6060017227.

It is an arithmetic number, because the mean of its divisors is an integer number (6060017227).

Almost surely, 2^12120034453 is an apocalyptic number.

It is an amenable number.

12120034453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120034453 is an equidigital number, since it uses as much as digits as its factorization.

12120034453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12120034453 its reverse (35443002121), we get a palindrome (47563036574).

The spelling of 12120034453 in words is "twelve billion, one hundred twenty million, thirty-four thousand, four hundred fifty-three".