12440201022 has 64 divisors (see below), whose sum is σ = 28193598720. Its totient is φ = 4064580000.

The previous prime is 12440201009. The next prime is 12440201023. The reversal of 12440201022 is 22010204421.

12440201022 is a `hidden beast` number, since 1 + 2 + 440 + 201 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12440200986 and 12440201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440201023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5525397 + ... + 5527647.

It is an arithmetic number, because the mean of its divisors is an integer number (440524980).

Almost surely, 2^12440201022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12440201022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14096799360).

12440201022 is an abundant number, since it is smaller than the sum of its proper divisors (15753397698).

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

12440201022 is a wasteful number, since it uses less digits than its factorization.

12440201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246 (or 4240 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12440201022 its reverse (22010204421), we get a palindrome (34450405443).

The spelling of 12440201022 in words is "twelve billion, four hundred forty million, two hundred one thousand, twenty-two".