122342003213 has 4 divisors (see below), whose sum is σ = 127661220768. Its totient is φ = 117022785660.

The previous prime is 122342003183. The next prime is 122342003279. The reversal of 122342003213 is 312300243221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312300243221 = 2281 ⋅136913741.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122342003213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5319217531 = 122342003213 / (1 + 2 + 2 + 3 + 4 + 2 + 0 + 0 + 3 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122342003513) 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, 2659608743 + ... + 2659608788.

It is an arithmetic number, because the mean of its divisors is an integer number (31915305192).

Almost surely, 2^122342003213 is an apocalyptic number.

It is an amenable number.

122342003213 is a deficient number, since it is larger than the sum of its proper divisors (5319217555).

122342003213 is an equidigital number, since it uses as much as digits as its factorization.

122342003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319217554.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 122342003213 its reverse (312300243221), we get a palindrome (434642246434).

The spelling of 122342003213 in words is "one hundred twenty-two billion, three hundred forty-two million, three thousand, two hundred thirteen".