13121230313322 has 128 divisors (see below), whose sum is σ = 30697665223680. Its totient is φ = 4148910097920.

The previous prime is 13121230313311. The next prime is 13121230313327. The reversal of 13121230313322 is 22331303212131.

13121230313322 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 23 + 0 + 313 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13121230313327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121758208 + ... + 121865924.

It is an arithmetic number, because the mean of its divisors is an integer number (239825509560).

Almost surely, 2^{13121230313322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13121230313322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15348832611840).

13121230313322 is an abundant number, since it is smaller than the sum of its proper divisors (17576434910358).

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

13121230313322 is a wasteful number, since it uses less digits than its factorization.

13121230313322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109293 (or 109287 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13121230313322 its reverse (22331303212131), we get a palindrome (35452533525453).

The spelling of 13121230313322 in words is "thirteen trillion, one hundred twenty-one billion, two hundred thirty million, three hundred thirteen thousand, three hundred twenty-two".