13122232312 has 32 divisors (see below), whose sum is σ = 28142208000. Its totient is φ = 5619186144.

The previous prime is 13122232307. The next prime is 13122232349. The reversal of 13122232312 is 21323222131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27312 + ... + 164287.

It is an arithmetic number, because the mean of its divisors is an integer number (879444000).

Almost surely, 2^13122232312 is an apocalyptic number.

It is an amenable number.

13122232312 is an abundant number, since it is smaller than the sum of its proper divisors (15019975688).

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

13122232312 is a wasteful number, since it uses less digits than its factorization.

13122232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192835 (or 192831 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 13122232312 its reverse (21323222131), we get a palindrome (34445454443).

The spelling of 13122232312 in words is "thirteen billion, one hundred twenty-two million, two hundred thirty-two thousand, three hundred twelve".