22433440412012 has 144 divisors (see below), whose sum is σ = 46511718559488. Its totient is φ = 9270955774080.

The previous prime is 22433440412003. The next prime is 22433440412021. The reversal of 22433440412012 is 21021404433422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22433440412003) and next prime (22433440412021).

It is a self number, because there is not a number n which added to its sum of digits gives 22433440412012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3110999087 + ... + 3111006297.

It is an arithmetic number, because the mean of its divisors is an integer number (322998045552).

Almost surely, 2^{22433440412012} 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 22433440412012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23255859279744).

22433440412012 is an abundant number, since it is smaller than the sum of its proper divisors (24078278147476).

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

22433440412012 is a wasteful number, since it uses less digits than its factorization.

22433440412012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7876 (or 7807 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 22433440412012 its reverse (21021404433422), we get a palindrome (43454844845434).

The spelling of 22433440412012 in words is "twenty-two trillion, four hundred thirty-three billion, four hundred forty million, four hundred twelve thousand, twelve".