12031030222123 has 16 divisors (see below), whose sum is σ = 13129199677440. Its totient is φ = 10933601421600.

The previous prime is 12031030222087. The next prime is 12031030222139. The reversal of 12031030222123 is 32122203013021.

It is a de Polignac number, because none of the positive numbers 2^k-12031030222123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12031030222094 and 12031030222103.

It is not an unprimeable number, because it can be changed into a prime (12031030222823) 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, 504032233 + ... + 504056101.

It is an arithmetic number, because the mean of its divisors is an integer number (820574979840).

Almost surely, 2^{12031030222123} is an apocalyptic number.

12031030222123 is a deficient number, since it is larger than the sum of its proper divisors (1098169455317).

12031030222123 is a wasteful number, since it uses less digits than its factorization.

12031030222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37458.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12031030222123 its reverse (32122203013021), we get a palindrome (44153233235144).

The spelling of 12031030222123 in words is "twelve trillion, thirty-one billion, thirty million, two hundred twenty-two thousand, one hundred twenty-three".