13212210023200 has 72 divisors (see below), whose sum is σ = 32696147695428. Its totient is φ = 5212488314880.

The previous prime is 13212210023107. The next prime is 13212210023209. The reversal of 13212210023200 is 232001221231.

It can be written as a sum of positive squares in 6 ways, for example, as 8578127176336 + 4634082846864 = 2928844^2 + 2152692^2 .

It is not an unprimeable number, because it can be changed into a prime (13212210023209) 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, 113059837 + ... + 113176636.

Almost surely, 2^{13212210023200} is an apocalyptic number.

13212210023200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212210023200 is an abundant number, since it is smaller than the sum of its proper divisors (19483937672228).

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

13212210023200 is a wasteful number, since it uses less digits than its factorization.

13212210023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226236566 (or 226236553 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13212210023200 its reverse (232001221231), we get a palindrome (13444211244431).

The spelling of 13212210023200 in words is "thirteen trillion, two hundred twelve billion, two hundred ten million, twenty-three thousand, two hundred".