12312312030123 has 16 divisors (see below), whose sum is σ = 18761747402496. Its totient is φ = 7035558472800.

The previous prime is 12312312030107. The next prime is 12312312030131. The reversal of 12312312030123 is 32103021321321.

It is not a de Polignac number, because 12312312030123 - 2⁴ = 12312312030107 is a prime.

It is a super-2 number, since 2×12312312030123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12312312030093 and 12312312030102.

It is not an unprimeable number, because it can be changed into a prime (12312312030223) 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, 1230048 + ... + 5112498.

It is an arithmetic number, because the mean of its divisors is an integer number (1172609212656).

Almost surely, 2^{12312312030123} is an apocalyptic number.

12312312030123 is a deficient number, since it is larger than the sum of its proper divisors (6449435372373).

12312312030123 is a wasteful number, since it uses less digits than its factorization.

12312312030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033474.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12312312030123 its reverse (32103021321321), we get a palindrome (44415333351444).

The spelling of 12312312030123 in words is "twelve trillion, three hundred twelve billion, three hundred twelve million, thirty thousand, one hundred twenty-three".