12016206397898 has 8 divisors (see below), whose sum is σ = 18024980199780. Its totient is φ = 6007879664640.

The previous prime is 12016206397889. The next prime is 12016206397903. The reversal of 12016206397898 is 89879360261021.

It can be written as a sum of positive squares in 2 ways, for example, as 12014285942569 + 1920455329 = 3466163^2 + 43823^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12016206397898.

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, 111699953 + ... + 111807476.

Almost surely, 2^{12016206397898} is an apocalyptic number.

12016206397898 is a deficient number, since it is larger than the sum of its proper divisors (6008773801882).

12016206397898 is a wasteful number, since it uses less digits than its factorization.

12016206397898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223534312.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 12016206397898 in words is "twelve trillion, sixteen billion, two hundred six million, three hundred ninety-seven thousand, eight hundred ninety-eight".