12000012201321 has 32 divisors (see below), whose sum is σ = 16882083203328. Its totient is φ = 7566875627520.

The previous prime is 12000012201257. The next prime is 12000012201323. The reversal of 12000012201321 is 12310221000021.

It is not a de Polignac number, because 12000012201321 - 2⁶ = 12000012201257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12000012201321.

It is not an unprimeable number, because it can be changed into a prime (12000012201323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7145365 + ... + 8663501.

It is an arithmetic number, because the mean of its divisors is an integer number (527565100104).

Almost surely, 2^{12000012201321} is an apocalyptic number.

It is an amenable number.

12000012201321 is a deficient number, since it is larger than the sum of its proper divisors (4882071002007).

12000012201321 is a wasteful number, since it uses less digits than its factorization.

12000012201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519441.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12000012201321 its reverse (12310221000021), we get a palindrome (24310233201342).

The spelling of 12000012201321 in words is "twelve trillion, twelve million, two hundred one thousand, three hundred twenty-one".