12001217564058 has 16 divisors (see below), whose sum is σ = 24005071998336. Its totient is φ = 3999966376320.

The previous prime is 12001217564051. The next prime is 12001217564159. The reversal of 12001217564058 is 85046571210021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12001217564051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109810423 + ... + 109919658.

It is an arithmetic number, because the mean of its divisors is an integer number (1500316999896).

Almost surely, 2^{12001217564058} is an apocalyptic number.

12001217564058 is an abundant number, since it is smaller than the sum of its proper divisors (12003854434278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001217564058 is a wasteful number, since it uses less digits than its factorization.

12001217564058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219739189.

The product of its (nonzero) digits is 134400, while the sum is 42.

Adding to 12001217564058 its reverse (85046571210021), we get a palindrome (97047788774079).

The spelling of 12001217564058 in words is "twelve trillion, one billion, two hundred seventeen million, five hundred sixty-four thousand, fifty-eight".