12001231123210 has 32 divisors (see below), whose sum is σ = 24751712868480. Its totient is φ = 4104130149312.

The previous prime is 12001231123171. The next prime is 12001231123223. The reversal of 12001231123210 is 1232113210021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220340584 + ... + 220395043.

It is an arithmetic number, because the mean of its divisors is an integer number (773491027140).

Almost surely, 2^{12001231123210} is an apocalyptic number.

12001231123210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001231123210 is an abundant number, since it is smaller than the sum of its proper divisors (12750481745270).

12001231123210 is a wasteful number, since it uses less digits than its factorization.

12001231123210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440736030.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12001231123210 its reverse (1232113210021), we get a palindrome (13233344333231).

The spelling of 12001231123210 in words is "twelve trillion, one billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred ten".