122042321340013 has 12 divisors (see below), whose sum is σ = 128805733671228. Its totient is φ = 115617187748160.

The previous prime is 122042321339969. The next prime is 122042321340031. The reversal of 122042321340013 is 310043123240221.

It can be written as a sum of positive squares in 2 ways, for example, as 6974178511689 + 115068142828324 = 2640867^2 + 10726982^2 .

It is not a de Polignac number, because 122042321340013 - 2²⁵ = 122042287785581 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 (122042321380013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20105523 + ... + 25462063.

It is an arithmetic number, because the mean of its divisors is an integer number (10733811139269).

Almost surely, 2^{122042321340013} is an apocalyptic number.

It is an amenable number.

122042321340013 is a deficient number, since it is larger than the sum of its proper divisors (6763412331215).

122042321340013 is an equidigital number, since it uses as much as digits as its factorization.

122042321340013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419692 (or 5419673 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 122042321340013 its reverse (310043123240221), we get a palindrome (432085444580234).

The spelling of 122042321340013 in words is "one hundred twenty-two trillion, forty-two billion, three hundred twenty-one million, three hundred forty thousand, thirteen".