12213312231210 has 128 divisors (see below), whose sum is σ = 31598797455360. Its totient is φ = 3012327225600.

The previous prime is 12213312231151. The next prime is 12213312231221. The reversal of 12213312231210 is 1213221331221.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26056015 + ... + 26520605.

It is an arithmetic number, because the mean of its divisors is an integer number (246865605120).

Almost surely, 2^{12213312231210} is an apocalyptic number.

12213312231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12213312231210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15799398727680).

12213312231210 is an abundant number, since it is smaller than the sum of its proper divisors (19385485224150).

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

12213312231210 is a wasteful number, since it uses less digits than its factorization.

12213312231210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465884.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12213312231210 its reverse (1213221331221), we get a palindrome (13426533562431).

The spelling of 12213312231210 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, two hundred thirty-one thousand, two hundred ten".