13551212122 has 8 divisors (see below), whose sum is σ = 23230649376. Its totient is φ = 5807662332.

The previous prime is 13551212113. The next prime is 13551212189. The reversal of 13551212122 is 22121215531.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 483971848 + ... + 483971875.

It is an arithmetic number, because the mean of its divisors is an integer number (2903831172).

Almost surely, 2^13551212122 is an apocalyptic number.

13551212122 is a deficient number, since it is larger than the sum of its proper divisors (9679437254).

13551212122 is an equidigital number, since it uses as much as digits as its factorization.

13551212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967943732.

The product of its digits is 1200, while the sum is 25.

Adding to 13551212122 its reverse (22121215531), we get a palindrome (35672427653).

The spelling of 13551212122 in words is "thirteen billion, five hundred fifty-one million, two hundred twelve thousand, one hundred twenty-two".