12213120030123 has 16 divisors (see below), whose sum is σ = 17031409920000. Its totient is φ = 7770090201984.

The previous prime is 12213120030119. The next prime is 12213120030157. The reversal of 12213120030123 is 32103002131221.

It is not a de Polignac number, because 12213120030123 - 2² = 12213120030119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12213120030123.

It is not an unprimeable number, because it can be changed into a prime (12213120030173) 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, 204360123 + ... + 204419876.

It is an arithmetic number, because the mean of its divisors is an integer number (1064463120000).

Almost surely, 2^{12213120030123} is an apocalyptic number.

12213120030123 is a deficient number, since it is larger than the sum of its proper divisors (4818289889877).

12213120030123 is a wasteful number, since it uses less digits than its factorization.

12213120030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408780458.

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

Adding to 12213120030123 its reverse (32103002131221), we get a palindrome (44316122161344).

The spelling of 12213120030123 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty million, thirty thousand, one hundred twenty-three".