12030322312 has 16 divisors (see below), whose sum is σ = 22939174800. Its totient is φ = 5913209040.

The previous prime is 12030322309. The next prime is 12030322313. The reversal of 12030322312 is 21322303021.

It is a self number, because there is not a number n which added to its sum of digits gives 12030322312.

It is not an unprimeable number, because it can be changed into a prime (12030322313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12743514 + ... + 12744457.

It is an arithmetic number, because the mean of its divisors is an integer number (1433698425).

Almost surely, 2^12030322312 is an apocalyptic number.

It is an amenable number.

12030322312 is a deficient number, since it is larger than the sum of its proper divisors (10908852488).

12030322312 is a wasteful number, since it uses less digits than its factorization.

12030322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25488036 (or 25488032 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12030322312 its reverse (21322303021), we get a palindrome (33352625333).

The spelling of 12030322312 in words is "twelve billion, thirty million, three hundred twenty-two thousand, three hundred twelve".