122231331213 has 8 divisors (see below), whose sum is σ = 163951007808. Its totient is φ = 80999604384.

The previous prime is 122231331197. The next prime is 122231331217. The reversal of 122231331213 is 312133132221.

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

It is not a de Polignac number, because 122231331213 - 2⁴ = 122231331197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231331217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 121986856 + ... + 121987857.

It is an arithmetic number, because the mean of its divisors is an integer number (20493875976).

Almost surely, 2^122231331213 is an apocalyptic number.

It is an amenable number.

122231331213 is a deficient number, since it is larger than the sum of its proper divisors (41719676595).

122231331213 is a wasteful number, since it uses less digits than its factorization.

122231331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243974883.

The product of its digits is 1296, while the sum is 24.

Adding to 122231331213 its reverse (312133132221), we get a palindrome (434364463434).

The spelling of 122231331213 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred thirty-one thousand, two hundred thirteen".