12222031223123 has 32 divisors (see below), whose sum is σ = 12980984482560. Its totient is φ = 11475170259840.

The previous prime is 12222031223119. The next prime is 12222031223147. The reversal of 12222031223123 is 32132213022221.

It is a cyclic number.

It is not a de Polignac number, because 12222031223123 - 2² = 12222031223119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222031223092 and 12222031223101.

It is not an unprimeable number, because it can be changed into a prime (12222031223113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2193076565 + ... + 2193082137.

It is an arithmetic number, because the mean of its divisors is an integer number (405655765080).

Almost surely, 2^{12222031223123} is an apocalyptic number.

12222031223123 is a deficient number, since it is larger than the sum of its proper divisors (758953259437).

12222031223123 is a wasteful number, since it uses less digits than its factorization.

12222031223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8019.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12222031223123 its reverse (32132213022221), we get a palindrome (44354244245344).

The spelling of 12222031223123 in words is "twelve trillion, two hundred twenty-two billion, thirty-one million, two hundred twenty-three thousand, one hundred twenty-three".