12200805493 has 2 divisors, whose sum is σ = 12200805494. Its totient is φ = 12200805492.

The previous prime is 12200805479. The next prime is 12200805503. The reversal of 12200805493 is 39450800221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12200748849 + 56644 = 110457^2 + 238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200805493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200805413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100402746 + 6100402747.

It is an arithmetic number, because the mean of its divisors is an integer number (6100402747).

Almost surely, 2^12200805493 is an apocalyptic number.

It is an amenable number.

12200805493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200805493 is an equidigital number, since it uses as much as digits as its factorization.

12200805493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 12200805493 in words is "twelve billion, two hundred million, eight hundred five thousand, four hundred ninety-three".