12302123031 has 48 divisors (see below), whose sum is σ = 20132854560. Its totient is φ = 7170293760.

The previous prime is 12302123027. The next prime is 12302123039. The reversal of 12302123031 is 13032120321.

It is not a de Polignac number, because 12302123031 - 2² = 12302123027 is a prime.

It is a super-2 number, since 2×12302123031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12302122995 and 12302123013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302123039) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 729511 + ... + 746183.

It is an arithmetic number, because the mean of its divisors is an integer number (419434470).

Almost surely, 2^12302123031 is an apocalyptic number.

12302123031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12302123031 is a deficient number, since it is larger than the sum of its proper divisors (7830731529).

12302123031 is a wasteful number, since it uses less digits than its factorization.

12302123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16976 (or 16973 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12302123031 its reverse (13032120321), we get a palindrome (25334243352).

The spelling of 12302123031 in words is "twelve billion, three hundred two million, one hundred twenty-three thousand, thirty-one".