122202121212013 has 2 divisors, whose sum is σ = 122202121212014. Its totient is φ = 122202121212012.

The previous prime is 122202121211977. The next prime is 122202121212107. The reversal of 122202121212013 is 310212121202221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61747111032489 + 60455010179524 = 7857933^2 + 7775282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122202121212013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122202121212313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101060606006 + 61101060606007.

It is an arithmetic number, because the mean of its divisors is an integer number (61101060606007).

Almost surely, 2^{122202121212013} is an apocalyptic number.

It is an amenable number.

122202121212013 is a deficient number, since it is larger than the sum of its proper divisors (1).

122202121212013 is an equidigital number, since it uses as much as digits as its factorization.

122202121212013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 122202121212013 its reverse (310212121202221), we get a palindrome (432414242414234).

It can be divided in two parts, 12220212 and 1212013, that added together give a square (13432225 = 3665²).

The spelling of 122202121212013 in words is "one hundred twenty-two trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, thirteen".