122441051213 has 4 divisors (see below), whose sum is σ = 131859593628. Its totient is φ = 113022508800.

The previous prime is 122441051197. The next prime is 122441051221. The reversal of 122441051213 is 312150144221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55400449129 + 67040602084 = 235373^2 + 258922^2 .

It is a cyclic number.

It is not a de Polignac number, because 122441051213 - 2⁴ = 122441051197 is a prime.

It is a super-2 number, since 2×122441051213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122441051113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4709271188 + ... + 4709271213.

It is an arithmetic number, because the mean of its divisors is an integer number (32964898407).

Almost surely, 2^122441051213 is an apocalyptic number.

122441051213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122441051213 is a deficient number, since it is larger than the sum of its proper divisors (9418542415).

122441051213 is an equidigital number, since it uses as much as digits as its factorization.

122441051213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9418542414.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 122441051213 its reverse (312150144221), we get a palindrome (434591195434).

The spelling of 122441051213 in words is "one hundred twenty-two billion, four hundred forty-one million, fifty-one thousand, two hundred thirteen".