12310102123 has 4 divisors (see below), whose sum is σ = 13429202328. Its totient is φ = 11191001920.

The previous prime is 12310102121. The next prime is 12310102127. The reversal of 12310102123 is 32120101321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12310102123 - 2¹ = 12310102121 is a prime.

It is a super-2 number, since 2×12310102123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310102097 and 12310102106.

It is not an unprimeable number, because it can be changed into a prime (12310102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559550086 + ... + 559550107.

It is an arithmetic number, because the mean of its divisors is an integer number (3357300582).

Almost surely, 2^12310102123 is an apocalyptic number.

12310102123 is a deficient number, since it is larger than the sum of its proper divisors (1119100205).

12310102123 is a wasteful number, since it uses less digits than its factorization.

12310102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119100204.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12310102123 its reverse (32120101321), we get a palindrome (44430203444).

The spelling of 12310102123 in words is "twelve billion, three hundred ten million, one hundred two thousand, one hundred twenty-three".