12203532145 has 8 divisors (see below), whose sum is σ = 16736272704. Its totient is φ = 8368136304.

The previous prime is 12203532101. The next prime is 12203532163. The reversal of 12203532145 is 54123530221.

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 12203532145 - 2¹⁵ = 12203499377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174336139 + ... + 174336208.

It is an arithmetic number, because the mean of its divisors is an integer number (2092034088).

Almost surely, 2^12203532145 is an apocalyptic number.

It is an amenable number.

12203532145 is a deficient number, since it is larger than the sum of its proper divisors (4532740559).

12203532145 is an equidigital number, since it uses as much as digits as its factorization.

12203532145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348672359.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 12203532145 in words is "twelve billion, two hundred three million, five hundred thirty-two thousand, one hundred forty-five".