12244400001 has 6 divisors (see below), whose sum is σ = 17686355570. Its totient is φ = 8162933328.

The previous prime is 12244399987. The next prime is 12244400029. The reversal of 12244400001 is 10000444221.

12244400001 is a `hidden beast` number, since 1 + 224 + 440 + 0 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8718890625 + 3525509376 = 93375^2 + 59376^2 .

It is not a de Polignac number, because 12244400001 - 2¹⁰ = 12244398977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12244405001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 680244436 + ... + 680244453.

Almost surely, 2^12244400001 is an apocalyptic number.

It is an amenable number.

12244400001 is a deficient number, since it is larger than the sum of its proper divisors (5441955569).

12244400001 is a wasteful number, since it uses less digits than its factorization.

12244400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360488895 (or 1360488892 counting only the distinct ones).

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

Adding to 12244400001 its reverse (10000444221), we get a palindrome (22244844222).

The spelling of 12244400001 in words is "twelve billion, two hundred forty-four million, four hundred thousand, one".