12012322321021 has 16 divisors (see below), whose sum is σ = 13449615049728. Its totient is φ = 10634108007600.

The previous prime is 12012322321019. The next prime is 12012322321033.

12012322321021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12012322321021 - 2¹ = 12012322321019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12012322320983 and 12012322321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012302321021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38206021 + ... + 38519146.

It is an arithmetic number, because the mean of its divisors is an integer number (840600940608).

Almost surely, 2^{12012322321021} is an apocalyptic number.

12012322321021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012322321021 is a deficient number, since it is larger than the sum of its proper divisors (1437292728707).

12012322321021 is a wasteful number, since it uses less digits than its factorization.

12012322321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76725552.

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 1201232 and 2321021, that added together give a palindrome (3522253).

The spelling of 12012322321021 in words is "twelve trillion, twelve billion, three hundred twenty-two million, three hundred twenty-one thousand, twenty-one".