12209563473 has 8 divisors (see below), whose sum is σ = 16279963968. Its totient is φ = 8139435984.

The previous prime is 12209563463. The next prime is 12209563481. The reversal of 12209563473 is 37436590221.

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

It is not a de Polignac number, because 12209563473 - 2³⁰ = 11135821649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12209563423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85740 + ... + 178242.

It is an arithmetic number, because the mean of its divisors is an integer number (2034995496).

Almost surely, 2^12209563473 is an apocalyptic number.

It is an amenable number.

12209563473 is a deficient number, since it is larger than the sum of its proper divisors (4070400495).

12209563473 is an equidigital number, since it uses as much as digits as its factorization.

12209563473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136503.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 12209563473 in words is "twelve billion, two hundred nine million, five hundred sixty-three thousand, four hundred seventy-three".