12123002312 has 16 divisors (see below), whose sum is σ = 22810953840. Its totient is φ = 6040081296.

The previous prime is 12123002299. The next prime is 12123002363. The reversal of 12123002312 is 21320032121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675078 + ... + 2679605.

It is an arithmetic number, because the mean of its divisors is an integer number (1425684615).

Almost surely, 2^12123002312 is an apocalyptic number.

It is an amenable number.

12123002312 is a deficient number, since it is larger than the sum of its proper divisors (10687951528).

12123002312 is a wasteful number, since it uses less digits than its factorization.

12123002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354972 (or 5354968 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12123002312 its reverse (21320032121), we get a palindrome (33443034433).

The spelling of 12123002312 in words is "twelve billion, one hundred twenty-three million, two thousand, three hundred twelve".