12122444004 has 96 divisors (see below), whose sum is σ = 31272998400. Its totient is φ = 3624149760.

The previous prime is 12122443967. The next prime is 12122444057. The reversal of 12122444004 is 40044422121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7271179 + ... + 7272845.

It is an arithmetic number, because the mean of its divisors is an integer number (325760400).

Almost surely, 2^12122444004 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 12122444004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15636499200).

12122444004 is an abundant number, since it is smaller than the sum of its proper divisors (19150554396).

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

12122444004 is a wasteful number, since it uses less digits than its factorization.

12122444004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12122444004 its reverse (40044422121), we get a palindrome (52166866125).

The spelling of 12122444004 in words is "twelve billion, one hundred twenty-two million, four hundred forty-four thousand, four".