13122302312 has 96 divisors (see below), whose sum is σ = 30354004800. Its totient is φ = 5284468224.

The previous prime is 13122302257. The next prime is 13122302341. The reversal of 13122302312 is 21320322131.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5589923 + ... + 5592269.

It is an arithmetic number, because the mean of its divisors is an integer number (316187550).

Almost surely, 2^13122302312 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 13122302312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15177002400).

13122302312 is an abundant number, since it is smaller than the sum of its proper divisors (17231702488).

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

13122302312 is a wasteful number, since it uses less digits than its factorization.

13122302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13122302312 its reverse (21320322131), we get a palindrome (34442624443).

The spelling of 13122302312 in words is "thirteen billion, one hundred twenty-two million, three hundred two thousand, three hundred twelve".