12022313012 has 6 divisors (see below), whose sum is σ = 21039047778. Its totient is φ = 6011156504.

The previous prime is 12022312999. The next prime is 12022313029. The reversal of 12022313012 is 21031322021.

It can be written as a sum of positive squares in only one way, i.e., 11862695056 + 159617956 = 108916^2 + 12634^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502789123 + ... + 1502789130.

It is an arithmetic number, because the mean of its divisors is an integer number (3506507963).

Almost surely, 2^12022313012 is an apocalyptic number.

It is an amenable number.

12022313012 is a deficient number, since it is larger than the sum of its proper divisors (9016734766).

12022313012 is a wasteful number, since it uses less digits than its factorization.

12022313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005578257 (or 3005578255 counting only the distinct ones).

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

Adding to 12022313012 its reverse (21031322021), we get a palindrome (33053635033).

Subtracting 12022313012 from its reverse (21031322021), we obtain a palindrome (9009009009).

The spelling of 12022313012 in words is "twelve billion, twenty-two million, three hundred thirteen thousand, twelve".