12331412224220 has 96 divisors (see below), whose sum is σ = 28391457225600. Its totient is φ = 4478110285824.

The previous prime is 12331412224181. The next prime is 12331412224231. The reversal of 12331412224220 is 2242221413321.

It is a super-3 number, since 3×12331412224220³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9892916 + ... + 11069444.

It is an arithmetic number, because the mean of its divisors is an integer number (295744346100).

Almost surely, 2^{12331412224220} is an apocalyptic number.

12331412224220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12331412224220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14195728612800).

12331412224220 is an abundant number, since it is smaller than the sum of its proper divisors (16060045001380).

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

12331412224220 is a wasteful number, since it uses less digits than its factorization.

12331412224220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177647 (or 1177645 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12331412224220 its reverse (2242221413321), we get a palindrome (14573633637541).

The spelling of 12331412224220 in words is "twelve trillion, three hundred thirty-one billion, four hundred twelve million, two hundred twenty-four thousand, two hundred twenty".