13212223011200 has 96 divisors (see below), whose sum is σ = 32782102603560. Its totient is φ = 5261607464960.

The previous prime is 13212223011149. The next prime is 13212223011203. The reversal of 13212223011200 is 211032221231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212223011203) 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, 8367917 + ... + 9820716.

Almost surely, 2^{13212223011200} is an apocalyptic number.

13212223011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212223011200 is an abundant number, since it is smaller than the sum of its proper divisors (19569879592360).

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

13212223011200 is a wasteful number, since it uses less digits than its factorization.

13212223011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18188884 (or 18188867 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13212223011200 its reverse (211032221231), we get a palindrome (13423255232431).

The spelling of 13212223011200 in words is "thirteen trillion, two hundred twelve billion, two hundred twenty-three million, eleven thousand, two hundred".