12130231122 has 24 divisors (see below), whose sum is σ = 26527799376. Its totient is φ = 4005620856.

The previous prime is 12130231111. The next prime is 12130231147. The reversal of 12130231122 is 22113203121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12130231095 and 12130231104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3147148 + ... + 3150999.

It is an arithmetic number, because the mean of its divisors is an integer number (1105324974).

Almost surely, 2^12130231122 is an apocalyptic number.

12130231122 is an abundant number, since it is smaller than the sum of its proper divisors (14397568254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12130231122 is a wasteful number, since it uses less digits than its factorization.

12130231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6298262 (or 6298259 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12130231122 its reverse (22113203121), we get a palindrome (34243434243).

The spelling of 12130231122 in words is "twelve billion, one hundred thirty million, two hundred thirty-one thousand, one hundred twenty-two".