122123101213 has 4 divisors (see below), whose sum is σ = 122125732060. Its totient is φ = 122120470368.

The previous prime is 122123101207. The next prime is 122123101223. The reversal of 122123101213 is 312101321221.

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 536292964 + 121586808249 = 23158^2 + 348693^2 .

It is a cyclic number.

It is not a de Polignac number, because 122123101213 - 2¹³ = 122123093021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122123101223) 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 3 ways as a sum of consecutive naturals, for example, 1244520 + ... + 1339057.

It is an arithmetic number, because the mean of its divisors is an integer number (30531433015).

Almost surely, 2^122123101213 is an apocalyptic number.

It is an amenable number.

122123101213 is a deficient number, since it is larger than the sum of its proper divisors (2630847).

122123101213 is an equidigital number, since it uses as much as digits as its factorization.

122123101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630846.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122123101213 its reverse (312101321221), we get a palindrome (434224422434).

The spelling of 122123101213 in words is "one hundred twenty-two billion, one hundred twenty-three million, one hundred one thousand, two hundred thirteen".