12013402234 has 8 divisors (see below), whose sum is σ = 18036067860. Its totient is φ = 6001379616.

The previous prime is 12013402217. The next prime is 12013402249. The reversal of 12013402234 is 43220431021.

It can be written as a sum of positive squares in 2 ways, for example, as 11880346009 + 133056225 = 108997^2 + 11535^2 .

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, 2657929 + ... + 2662444.

Almost surely, 2^12013402234 is an apocalyptic number.

12013402234 is a deficient number, since it is larger than the sum of its proper divisors (6022665626).

12013402234 is a wasteful number, since it uses less digits than its factorization.

12013402234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321504.

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

Adding to 12013402234 its reverse (43220431021), we get a palindrome (55233833255).

The spelling of 12013402234 in words is "twelve billion, thirteen million, four hundred two thousand, two hundred thirty-four".