12231262012 has 24 divisors (see below), whose sum is σ = 21789824112. Its totient is φ = 6005913600.

The previous prime is 12231262007. The next prime is 12231262081. The reversal of 12231262012 is 21026213221.

It is a happy number.

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, 117303 + ... + 195505.

It is an arithmetic number, because the mean of its divisors is an integer number (907909338).

Almost surely, 2^12231262012 is an apocalyptic number.

It is an amenable number.

12231262012 is a deficient number, since it is larger than the sum of its proper divisors (9558562100).

12231262012 is a wasteful number, since it uses less digits than its factorization.

12231262012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78909 (or 78907 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12231262012 its reverse (21026213221), we get a palindrome (33257475233).

The spelling of 12231262012 in words is "twelve billion, two hundred thirty-one million, two hundred sixty-two thousand, twelve".