12601122224 has 40 divisors (see below), whose sum is σ = 25287444000. Its totient is φ = 6075862016.

The previous prime is 12601122197. The next prime is 12601122239. The reversal of 12601122224 is 42222110621.

It is a self number, because there is not a number n which added to its sum of digits gives 12601122224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373112 + ... + 405480.

It is an arithmetic number, because the mean of its divisors is an integer number (632186100).

Almost surely, 2^12601122224 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 12601122224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12643722000).

12601122224 is an abundant number, since it is smaller than the sum of its proper divisors (12686321776).

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

12601122224 is a wasteful number, since it uses less digits than its factorization.

12601122224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33245 (or 33239 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12601122224 its reverse (42222110621), we get a palindrome (54823232845).

The spelling of 12601122224 in words is "twelve billion, six hundred one million, one hundred twenty-two thousand, two hundred twenty-four".