12233213012 has 6 divisors (see below), whose sum is σ = 21408122778. Its totient is φ = 6116606504.

The previous prime is 12233213011. The next prime is 12233213033. The reversal of 12233213012 is 21031233221.

It can be written as a sum of positive squares in only one way, i.e., 11226673936 + 1006539076 = 105956^2 + 31726^2 .

It is a super-2 number, since 2×12233213012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233213011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1529151623 + ... + 1529151630.

It is an arithmetic number, because the mean of its divisors is an integer number (3568020463).

Almost surely, 2^12233213012 is an apocalyptic number.

It is an amenable number.

12233213012 is a deficient number, since it is larger than the sum of its proper divisors (9174909766).

12233213012 is a wasteful number, since it uses less digits than its factorization.

12233213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058303257 (or 3058303255 counting only the distinct ones).

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

Adding to 12233213012 its reverse (21031233221), we get a palindrome (33264446233).

The spelling of 12233213012 in words is "twelve billion, two hundred thirty-three million, two hundred thirteen thousand, twelve".