12120628393 has 2 divisors, whose sum is σ = 12120628394. Its totient is φ = 12120628392.

The previous prime is 12120628381. The next prime is 12120628427. The reversal of 12120628393 is 39382602121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6104609424 + 6016018969 = 78132^2 + 77563^2 .

It is an emirp because it is prime and its reverse (39382602121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12120628393 - 2¹⁷ = 12120497321 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120658393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060314196 + 6060314197.

It is an arithmetic number, because the mean of its divisors is an integer number (6060314197).

Almost surely, 2^12120628393 is an apocalyptic number.

It is an amenable number.

12120628393 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120628393 is an equidigital number, since it uses as much as digits as its factorization.

12120628393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 12120628393 in words is "twelve billion, one hundred twenty million, six hundred twenty-eight thousand, three hundred ninety-three".