113212222005125 has 8 divisors (see below), whose sum is σ = 141288853062552. Its totient is φ = 90569777604000.

The previous prime is 113212222005109. The next prime is 113212222005217. The reversal of 113212222005125 is 521500222212311.

It can be written as a sum of positive squares in 4 ways, for example, as 15713541768961 + 97498680236164 = 3964031^2 + 9874142^2 .

It is not a de Polignac number, because 113212222005125 - 2⁴ = 113212222005109 is a prime.

It is a super-3 number, since 3×113212222005125³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452848887896 + ... + 452848888145.

It is an arithmetic number, because the mean of its divisors is an integer number (17661106632819).

Almost surely, 2^{113212222005125} is an apocalyptic number.

It is an amenable number.

113212222005125 is a deficient number, since it is larger than the sum of its proper divisors (28076631057427).

113212222005125 is an frugal number, since it uses more digits than its factorization.

113212222005125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905697776056 (or 905697776046 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 113212222005125 its reverse (521500222212311), we get a palindrome (634712444217436).

The spelling of 113212222005125 in words is "one hundred thirteen trillion, two hundred twelve billion, two hundred twenty-two million, five thousand, one hundred twenty-five".