12120202195 has 4 divisors (see below), whose sum is σ = 14544242640. Its totient is φ = 9696161752.

The previous prime is 12120202189. The next prime is 12120202217. The reversal of 12120202195 is 59120202121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12120202195 - 2¹⁹ = 12119677907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212020215 + ... + 1212020224.

It is an arithmetic number, because the mean of its divisors is an integer number (3636060660).

Almost surely, 2^12120202195 is an apocalyptic number.

12120202195 is a deficient number, since it is larger than the sum of its proper divisors (2424040445).

12120202195 is an equidigital number, since it uses as much as digits as its factorization.

12120202195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424040444.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 12120202195 in words is "twelve billion, one hundred twenty million, two hundred two thousand, one hundred ninety-five".