12318405202 has 8 divisors (see below), whose sum is σ = 18489182796. Its totient is φ = 6155344272.

The previous prime is 12318405199. The next prime is 12318405217. The reversal of 12318405202 is 20250481321.

It can be written as a sum of positive squares in 2 ways, for example, as 11819820961 + 498584241 = 108719^2 + 22329^2 .

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, 1925173 + ... + 1931560.

Almost surely, 2^12318405202 is an apocalyptic number.

12318405202 is a deficient number, since it is larger than the sum of its proper divisors (6170777594).

12318405202 is a wasteful number, since it uses less digits than its factorization.

12318405202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858332.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 12318405202 its reverse (20250481321), we get a palindrome (32568886523).

The spelling of 12318405202 in words is "twelve billion, three hundred eighteen million, four hundred five thousand, two hundred two".