12012003221310 has 96 divisors (see below), whose sum is σ = 31706887560192. Its totient is φ = 3154781468160.

The previous prime is 12012003221297. The next prime is 12012003221327. The reversal of 12012003221310 is 1312230021021.

12012003221310 is a `hidden beast` number, since 1 + 20 + 12 + 0 + 0 + 322 + 1 + 310 = 666.

It is a super-2 number, since 2×12012003221310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2269561 + ... + 5401380.

It is an arithmetic number, because the mean of its divisors is an integer number (330280078752).

Almost surely, 2^{12012003221310} is an apocalyptic number.

12012003221310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012003221310 is an abundant number, since it is smaller than the sum of its proper divisors (19694884338882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012003221310 is a wasteful number, since it uses less digits than its factorization.

12012003221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671218 (or 7671215 counting only the distinct ones).

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

Adding to 12012003221310 its reverse (1312230021021), we get a palindrome (13324233242331).

The spelling of 12012003221310 in words is "twelve trillion, twelve billion, three million, two hundred twenty-one thousand, three hundred ten".