12140203234 has 8 divisors (see below), whose sum is σ = 19281499308. Its totient is φ = 5713036800.

The previous prime is 12140203157. The next prime is 12140203241. The reversal of 12140203234 is 43230204121.

It can be written as a sum of positive squares in 2 ways, for example, as 10825778209 + 1314425025 = 104047^2 + 36255^2 .

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, 178532367 + ... + 178532434.

Almost surely, 2^12140203234 is an apocalyptic number.

12140203234 is a deficient number, since it is larger than the sum of its proper divisors (7141296074).

12140203234 is a wasteful number, since it uses less digits than its factorization.

12140203234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357064820.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12140203234 its reverse (43230204121), we get a palindrome (55370407355).

The spelling of 12140203234 in words is "twelve billion, one hundred forty million, two hundred three thousand, two hundred thirty-four".