12123303123210 has 32 divisors (see below), whose sum is σ = 29378412236160. Its totient is φ = 3201493639488.

The previous prime is 12123303123131. The next prime is 12123303123223. The reversal of 12123303123210 is 1232130332121.

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, 1961696445 + ... + 1961702624.

It is an arithmetic number, because the mean of its divisors is an integer number (918075382380).

Almost surely, 2^{12123303123210} is an apocalyptic number.

12123303123210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123303123210 is an abundant number, since it is smaller than the sum of its proper divisors (17255109112950).

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

12123303123210 is a wasteful number, since it uses less digits than its factorization.

12123303123210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923399182.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12123303123210 its reverse (1232130332121), we get a palindrome (13355433455331).

The spelling of 12123303123210 in words is "twelve trillion, one hundred twenty-three billion, three hundred three million, one hundred twenty-three thousand, two hundred ten".