13232223312012 has 36 divisors (see below), whose sum is σ = 34902386129520. Its totient is φ = 4218969751392.

The previous prime is 13232223311947. The next prime is 13232223312013. The reversal of 13232223312012 is 21021332223231.

13232223312012 is a `hidden beast` number, since 1 + 3 + 2 + 322 + 2 + 331 + 2 + 0 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (13232223312013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7990472187 + ... + 7990473842.

It is an arithmetic number, because the mean of its divisors is an integer number (969510725820).

Almost surely, 2^{13232223312012} is an apocalyptic number.

13232223312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13232223312012 is an abundant number, since it is smaller than the sum of its proper divisors (21670162817508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13232223312012 is a wasteful number, since it uses less digits than its factorization.

13232223312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15980946062 (or 15980946057 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13232223312012 its reverse (21021332223231), we get a palindrome (34253555535243).

The spelling of 13232223312012 in words is "thirteen trillion, two hundred thirty-two billion, two hundred twenty-three million, three hundred twelve thousand, twelve".