13212233012 has 24 divisors (see below), whose sum is σ = 25286288832. Its totient is φ = 5990576000.

The previous prime is 13212232987. The next prime is 13212233017. The reversal of 13212233012 is 21033221231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212233017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356768 + ... + 392055.

It is an arithmetic number, because the mean of its divisors is an integer number (1053595368).

Almost surely, 2^13212233012 is an apocalyptic number.

It is an amenable number.

13212233012 is a deficient number, since it is larger than the sum of its proper divisors (12074055820).

13212233012 is a wasteful number, since it uses less digits than its factorization.

13212233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749239 (or 749237 counting only the distinct ones).

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

Adding to 13212233012 its reverse (21033221231), we get a palindrome (34245454243).

The spelling of 13212233012 in words is "thirteen billion, two hundred twelve million, two hundred thirty-three thousand, twelve".