12211303021123 has 8 divisors (see below), whose sum is σ = 12929670242928. Its totient is φ = 11492941941504.

The previous prime is 12211303021103. The next prime is 12211303021163. The reversal of 12211303021123 is 32112030311221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12211303021123 - 2²⁹ = 12210766150211 is a prime.

It is a super-4 number, since 4×12211303021123⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211303021094 and 12211303021103.

It is not an unprimeable number, because it can be changed into a prime (12211303021103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2928415 + ... + 5744407.

It is an arithmetic number, because the mean of its divisors is an integer number (1616208780366).

Almost surely, 2^{12211303021123} is an apocalyptic number.

12211303021123 is a deficient number, since it is larger than the sum of its proper divisors (718367221805).

12211303021123 is a wasteful number, since it uses less digits than its factorization.

12211303021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071093.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12211303021123 its reverse (32112030311221), we get a palindrome (44323333332344).

The spelling of 12211303021123 in words is "twelve trillion, two hundred eleven billion, three hundred three million, twenty-one thousand, one hundred twenty-three".