13121122322 has 32 divisors (see below), whose sum is σ = 24548935680. Its totient is φ = 5109889680.

The previous prime is 13121122303. The next prime is 13121122379. The reversal of 13121122322 is 22322112131.

It is a junction number, because it is equal to n+sod(n) for n = 13121122294 and 13121122303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359429 + ... + 394247.

It is an arithmetic number, because the mean of its divisors is an integer number (767154240).

Almost surely, 2^13121122322 is an apocalyptic number.

13121122322 is a deficient number, since it is larger than the sum of its proper divisors (11427813358).

13121122322 is a wasteful number, since it uses less digits than its factorization.

13121122322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37286.

The product of its digits is 288, while the sum is 20.

Adding to 13121122322 its reverse (22322112131), we get a palindrome (35443234453).

The spelling of 13121122322 in words is "thirteen billion, one hundred twenty-one million, one hundred twenty-two thousand, three hundred twenty-two".