122330723213 has 4 divisors (see below), whose sum is σ = 122363184060. Its totient is φ = 122298262368.

The previous prime is 122330723201. The next prime is 122330723239. The reversal of 122330723213 is 312327033221.

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 103434921769 + 18895801444 = 321613^2 + 137462^2 .

It is a cyclic number.

It is not a de Polignac number, because 122330723213 - 2²⁴ = 122313945997 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 (122330783213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16224770 + ... + 16232307.

It is an arithmetic number, because the mean of its divisors is an integer number (30590796015).

Almost surely, 2^122330723213 is an apocalyptic number.

It is an amenable number.

122330723213 is a deficient number, since it is larger than the sum of its proper divisors (32460847).

122330723213 is an equidigital number, since it uses as much as digits as its factorization.

122330723213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32460846.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 122330723213 its reverse (312327033221), we get a palindrome (434657756434).

The spelling of 122330723213 in words is "one hundred twenty-two billion, three hundred thirty million, seven hundred twenty-three thousand, two hundred thirteen".