12012230001321 has 48 divisors (see below), whose sum is σ = 18964243726272. Its totient is φ = 7266347827200.

The previous prime is 12012230001281. The next prime is 12012230001391. The reversal of 12012230001321 is 12310003221021.

12012230001321 is a `hidden beast` number, since 1 + 20 + 1 + 22 + 300 + 0 + 1 + 321 = 666.

12012230001321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12012230001321 - 2⁶ = 12012230001257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12012230001294 and 12012230001303.

It is not an unprimeable number, because it can be changed into a prime (12012230001391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168597321 + ... + 168668553.

It is an arithmetic number, because the mean of its divisors is an integer number (395088410964).

Almost surely, 2^{12012230001321} is an apocalyptic number.

12012230001321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012230001321 is a deficient number, since it is larger than the sum of its proper divisors (6952013724951).

12012230001321 is a wasteful number, since it uses less digits than its factorization.

12012230001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74454 (or 74451 counting only the distinct ones).

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

Adding to 12012230001321 its reverse (12310003221021), we get a palindrome (24322233222342).

The spelling of 12012230001321 in words is "twelve trillion, twelve billion, two hundred thirty million, one thousand, three hundred twenty-one".