12000016834 has 8 divisors (see below), whose sum is σ = 19384642620. Its totient is φ = 5538469296.

The previous prime is 12000016781. The next prime is 12000016859. The reversal of 12000016834 is 43861000021.

It can be written as a sum of positive squares in 2 ways, for example, as 11066408809 + 933608025 = 105197^2 + 30555^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12000016799 and 12000016808.

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, 230769529 + ... + 230769580.

Almost surely, 2^12000016834 is an apocalyptic number.

12000016834 is a deficient number, since it is larger than the sum of its proper divisors (7384625786).

12000016834 is a wasteful number, since it uses less digits than its factorization.

12000016834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461539124.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 12000016834 its reverse (43861000021), we get a palindrome (55861016855).

The spelling of 12000016834 in words is "twelve billion, sixteen thousand, eight hundred thirty-four".