13121122330 has 8 divisors (see below), whose sum is σ = 23618020212. Its totient is φ = 5248448928.

The previous prime is 13121122303. The next prime is 13121122379. The reversal of 13121122330 is 3322112131.

It can be written as a sum of positive squares in 2 ways, for example, as 12210471001 + 910651329 = 110501^2 + 30177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13121122298 and 13121122307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656056107 + ... + 656056126.

Almost surely, 2^13121122330 is an apocalyptic number.

13121122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121122330 is a deficient number, since it is larger than the sum of its proper divisors (10496897882).

13121122330 is a wasteful number, since it uses less digits than its factorization.

13121122330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312112240.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13121122330 its reverse (3322112131), we get a palindrome (16443234461).

The spelling of 13121122330 in words is "thirteen billion, one hundred twenty-one million, one hundred twenty-two thousand, three hundred thirty".