12195820353 has 8 divisors (see below), whose sum is σ = 16657706016. Its totient is φ = 7932240800.

The previous prime is 12195820313. The next prime is 12195820381. The reversal of 12195820353 is 35302859121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12195820353 - 2⁹ = 12195819841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12195820313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49576383 + ... + 49576628.

It is an arithmetic number, because the mean of its divisors is an integer number (2082213252).

Almost surely, 2^12195820353 is an apocalyptic number.

It is an amenable number.

12195820353 is a deficient number, since it is larger than the sum of its proper divisors (4461885663).

12195820353 is an equidigital number, since it uses as much as digits as its factorization.

12195820353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99153055.

The product of its (nonzero) digits is 64800, while the sum is 39.

It can be divided in two parts, 121958 and 20353, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 12195820353 in words is "twelve billion, one hundred ninety-five million, eight hundred twenty thousand, three hundred fifty-three".