12323213012 has 24 divisors (see below), whose sum is σ = 23561889120. Its totient is φ = 5592947360.

The previous prime is 12323212999. The next prime is 12323213027. The reversal of 12323213012 is 21031232321.

It is a super-2 number, since 2×12323213012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183503 + ... + 241494.

It is an arithmetic number, because the mean of its divisors is an integer number (981745380).

Almost surely, 2^12323213012 is an apocalyptic number.

It is an amenable number.

12323213012 is a deficient number, since it is larger than the sum of its proper divisors (11238676108).

12323213012 is a wasteful number, since it uses less digits than its factorization.

12323213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425671 (or 425669 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12323213012 its reverse (21031232321), we get a palindrome (33354445333).

The spelling of 12323213012 in words is "twelve billion, three hundred twenty-three million, two hundred thirteen thousand, twelve".