12123130322222 has 16 divisors (see below), whose sum is σ = 18571842369792. Its totient is φ = 5932519511160.

The previous prime is 12123130322221. The next prime is 12123130322267. The reversal of 12123130322222 is 22222303132121.

It is a junction number, because it is equal to n+sod(n) for n = 12123130322191 and 12123130322200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123130322221) 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, 6914453 + ... + 8488575.

It is an arithmetic number, because the mean of its divisors is an integer number (1160740148112).

Almost surely, 2^{12123130322222} is an apocalyptic number.

12123130322222 is a deficient number, since it is larger than the sum of its proper divisors (6448712047570).

12123130322222 is a wasteful number, since it uses less digits than its factorization.

12123130322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656103.

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

Adding to 12123130322222 its reverse (22222303132121), we get a palindrome (34345433454343).

The spelling of 12123130322222 in words is "twelve trillion, one hundred twenty-three billion, one hundred thirty million, three hundred twenty-two thousand, two hundred twenty-two".