12213232232404 has 36 divisors (see below), whose sum is σ = 24862890567060. Its totient is φ = 5234192019840.

The previous prime is 12213232232239. The next prime is 12213232232407. The reversal of 12213232232404 is 40423223231221.

It can be written as a sum of positive squares in 2 ways, for example, as 9460115032900 + 2753117199504 = 3075730^2 + 1659252^2 .

It is a super-3 number, since 3×12213232232404³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213232232407) 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, 25985814 + ... + 26451634.

It is an arithmetic number, because the mean of its divisors is an integer number (690635849085).

Almost surely, 2^{12213232232404} is an apocalyptic number.

12213232232404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12213232232404 is an abundant number, since it is smaller than the sum of its proper divisors (12649658334656).

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

12213232232404 is a wasteful number, since it uses less digits than its factorization.

12213232232404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599608 (or 599599 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 12213232232404 its reverse (40423223231221), we get a palindrome (52636455463625).

The spelling of 12213232232404 in words is "twelve trillion, two hundred thirteen billion, two hundred thirty-two million, two hundred thirty-two thousand, four hundred four".