13122212232 has 16 divisors (see below), whose sum is σ = 32805530640. Its totient is φ = 4374070736.

The previous prime is 13122212221. The next prime is 13122212249. The reversal of 13122212232 is 23221222131.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13122212199 and 13122212208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273379398 + ... + 273379445.

It is an arithmetic number, because the mean of its divisors is an integer number (2050345665).

Almost surely, 2^13122212232 is an apocalyptic number.

13122212232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13122212232 is an abundant number, since it is smaller than the sum of its proper divisors (19683318408).

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

13122212232 is a wasteful number, since it uses less digits than its factorization.

13122212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546758852 (or 546758848 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

Adding to 13122212232 its reverse (23221222131), we get a palindrome (36343434363).

The spelling of 13122212232 in words is "thirteen billion, one hundred twenty-two million, two hundred twelve thousand, two hundred thirty-two".