12210323001123 has 16 divisors (see below), whose sum is σ = 18098344764416. Its totient is φ = 7271656377120.

The previous prime is 12210323001119. The next prime is 12210323001131. The reversal of 12210323001123 is 32110032301221.

It is not a de Polignac number, because 12210323001123 - 2² = 12210323001119 is a prime.

It is a super-2 number, since 2×12210323001123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210323001123.

It is not an unprimeable number, because it can be changed into a prime (12210323001623) 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, 5049760165 + ... + 5049762582.

It is an arithmetic number, because the mean of its divisors is an integer number (1131146547776).

Almost surely, 2^{12210323001123} is an apocalyptic number.

12210323001123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12210323001123 is a deficient number, since it is larger than the sum of its proper divisors (5888021763293).

12210323001123 is a wasteful number, since it uses less digits than its factorization.

12210323001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10099522794.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12210323001123 its reverse (32110032301221), we get a palindrome (44320355302344).

The spelling of 12210323001123 in words is "twelve trillion, two hundred ten billion, three hundred twenty-three million, one thousand, one hundred twenty-three".