12223131133332 has 144 divisors (see below), whose sum is σ = 34606841794560. Its totient is φ = 3288703857984.

The previous prime is 12223131133309. The next prime is 12223131133361. The reversal of 12223131133332 is 23333113132221.

It is a super-2 number, since 2×12223131133332² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12223131133332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3857269 + ... + 6270947.

It is an arithmetic number, because the mean of its divisors is an integer number (240325290240).

Almost surely, 2^{12223131133332} is an apocalyptic number.

12223131133332 is a gapful number since it is divisible by the number (12) 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 12223131133332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17303420897280).

12223131133332 is an abundant number, since it is smaller than the sum of its proper divisors (22383710661228).

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

12223131133332 is a wasteful number, since it uses less digits than its factorization.

12223131133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413898 (or 2413877 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

Adding to 12223131133332 its reverse (23333113132221), we get a palindrome (35556244265553).

The spelling of 12223131133332 in words is "twelve trillion, two hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-three thousand, three hundred thirty-two".