12145563202 has 8 divisors (see below), whose sum is σ = 18351325836. Its totient is φ = 6028454592.

The previous prime is 12145563163. The next prime is 12145563217. The reversal of 12145563202 is 20236554121.

It can be written as a sum of positive squares in 2 ways, for example, as 11687988321 + 457574881 = 108111^2 + 21391^2 .

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

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, 22163163 + ... + 22163710.

Almost surely, 2^12145563202 is an apocalyptic number.

12145563202 is a deficient number, since it is larger than the sum of its proper divisors (6205762634).

12145563202 is a wasteful number, since it uses less digits than its factorization.

12145563202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44327012.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 12145563202 in words is "twelve billion, one hundred forty-five million, five hundred sixty-three thousand, two hundred two".