13222012232 has 32 divisors (see below), whose sum is σ = 29125414080. Its totient is φ = 5547696960.

The previous prime is 13222012217. The next prime is 13222012247. The reversal of 13222012232 is 23221022231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13222012217) and next prime (13222012247).

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, 5777708 + ... + 5779995.

It is an arithmetic number, because the mean of its divisors is an integer number (910169190).

Almost surely, 2^13222012232 is an apocalyptic number.

It is an amenable number.

13222012232 is an abundant number, since it is smaller than the sum of its proper divisors (15903401848).

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

13222012232 is a wasteful number, since it uses less digits than its factorization.

13222012232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11557733 (or 11557729 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13222012232 its reverse (23221022231), we get a palindrome (36443034463).

Subtracting 13222012232 from its reverse (23221022231), we obtain a palindrome (9999009999).

The spelling of 13222012232 in words is "thirteen billion, two hundred twenty-two million, twelve thousand, two hundred thirty-two".