12320313197 has 2 divisors, whose sum is σ = 12320313198. Its totient is φ = 12320313196.

The previous prime is 12320313133. The next prime is 12320313221. The reversal of 12320313197 is 79131302321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12264676516 + 55636681 = 110746^2 + 7459^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320313197 - 2⁶ = 12320313133 is a prime.

It is a super-3 number, since 3×12320313197³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320313497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160156598 + 6160156599.

It is an arithmetic number, because the mean of its divisors is an integer number (6160156599).

Almost surely, 2^12320313197 is an apocalyptic number.

It is an amenable number.

12320313197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320313197 is an equidigital number, since it uses as much as digits as its factorization.

12320313197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 12320313197 in words is "twelve billion, three hundred twenty million, three hundred thirteen thousand, one hundred ninety-seven".