12120200197 has 4 divisors (see below), whose sum is σ = 13851657376. Its totient is φ = 10388743020.

The previous prime is 12120200161. The next prime is 12120200207. The reversal of 12120200197 is 79100202121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12120200197 - 2¹⁵ = 12120167429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120200597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865728579 + ... + 865728592.

It is an arithmetic number, because the mean of its divisors is an integer number (3462914344).

Almost surely, 2^12120200197 is an apocalyptic number.

It is an amenable number.

12120200197 is a deficient number, since it is larger than the sum of its proper divisors (1731457179).

12120200197 is an equidigital number, since it uses as much as digits as its factorization.

12120200197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731457178.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 12120200197 in words is "twelve billion, one hundred twenty million, two hundred thousand, one hundred ninety-seven".