12012232130001 has 12 divisors (see below), whose sum is σ = 17352142401412. Its totient is φ = 8007628398336.

The previous prime is 12012232129991. The next prime is 12012232130029. The reversal of 12012232130001 is 10003123221021.

12012232130001 is a `hidden beast` number, since 1 + 20 + 1 + 22 + 321 + 300 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8880394040001 + 3131838090000 = 2979999^2 + 1769700^2 .

It is not a de Polignac number, because 12012232130001 - 2¹¹ = 12012232127953 is a prime.

It is a super-2 number, since 2×12012232130001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012232130501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43718356 + ... + 43992261.

Almost surely, 2^{12012232130001} is an apocalyptic number.

It is an amenable number.

12012232130001 is a deficient number, since it is larger than the sum of its proper divisors (5339910271411).

12012232130001 is a wasteful number, since it uses less digits than its factorization.

12012232130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87725840 (or 87725837 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12012232130001 its reverse (10003123221021), we get a palindrome (22015355351022).

The spelling of 12012232130001 in words is "twelve trillion, twelve billion, two hundred thirty-two million, one hundred thirty thousand, one".