122215432013 has 2 divisors, whose sum is σ = 122215432014. Its totient is φ = 122215432012.

The previous prime is 122215431997. The next prime is 122215432043. The reversal of 122215432013 is 310234512221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120390262729 + 1825169284 = 346973^2 + 42722^2 .

It is an emirp because it is prime and its reverse (310234512221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122215432013 - 2⁴ = 122215431997 is a prime.

It is a super-2 number, since 2×122215432013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122215432043) 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 as a sum of consecutive naturals, namely, 61107716006 + 61107716007.

It is an arithmetic number, because the mean of its divisors is an integer number (61107716007).

Almost surely, 2^122215432013 is an apocalyptic number.

It is an amenable number.

122215432013 is a deficient number, since it is larger than the sum of its proper divisors (1).

122215432013 is an equidigital number, since it uses as much as digits as its factorization.

122215432013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 122215432013 its reverse (310234512221), we get a palindrome (432449944234).

The spelling of 122215432013 in words is "one hundred twenty-two billion, two hundred fifteen million, four hundred thirty-two thousand, thirteen".