13121440222 has 8 divisors (see below), whose sum is σ = 21471447672. Its totient is φ = 5964291000.

The previous prime is 13121440219. The next prime is 13121440243. The reversal of 13121440222 is 22204412131.

13121440222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 596429101 = 13121440222 / (1 + 3 + 1 + 2 + 1 + 4 + 4 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 13121440193 and 13121440202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298214529 + ... + 298214572.

It is an arithmetic number, because the mean of its divisors is an integer number (2683930959).

Almost surely, 2^13121440222 is an apocalyptic number.

13121440222 is a deficient number, since it is larger than the sum of its proper divisors (8350007450).

13121440222 is a wasteful number, since it uses less digits than its factorization.

13121440222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596429114.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13121440222 its reverse (22204412131), we get a palindrome (35325852353).

The spelling of 13121440222 in words is "thirteen billion, one hundred twenty-one million, four hundred forty thousand, two hundred twenty-two".