12213433432044 has 288 divisors, whose sum is σ = 34598874562560. Its totient is φ = 3724010754048.

The previous prime is 12213433432027. The next prime is 12213433432049. The reversal of 12213433432044 is 44023433431221.

12213433432044 is a `hidden beast` number, since 1 + 2 + 2 + 13 + 433 + 4 + 3 + 204 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12213433432049) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 926446677 + ... + 926459859.

It is an arithmetic number, because the mean of its divisors is an integer number (120134981120).

Almost surely, 2^{12213433432044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12213433432044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17299437281280).

12213433432044 is an abundant number, since it is smaller than the sum of its proper divisors (22385441130516).

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

12213433432044 is a wasteful number, since it uses less digits than its factorization.

12213433432044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13678 (or 13657 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 12213433432044 its reverse (44023433431221), we get a palindrome (56236866863265).

The spelling of 12213433432044 in words is "twelve trillion, two hundred thirteen billion, four hundred thirty-three million, four hundred thirty-two thousand, forty-four".