122613120265 has 4 divisors (see below), whose sum is σ = 147135744324. Its totient is φ = 98090496208.

The previous prime is 122613120251. The next prime is 122613120277. The reversal of 122613120265 is 562021316221.

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 49905772816 + 72707347449 = 223396^2 + 269643^2 .

It is a cyclic number.

It is not a de Polignac number, because 122613120265 - 2²⁹ = 122076249353 is a prime.

It is a super-2 number, since 2×122613120265² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12261312022 + ... + 12261312031.

It is an arithmetic number, because the mean of its divisors is an integer number (36783936081).

Almost surely, 2^122613120265 is an apocalyptic number.

It is an amenable number.

122613120265 is a deficient number, since it is larger than the sum of its proper divisors (24522624059).

122613120265 is an equidigital number, since it uses as much as digits as its factorization.

122613120265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24522624058.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 122613120265 its reverse (562021316221), we get a palindrome (684634436486).

The spelling of 122613120265 in words is "one hundred twenty-two billion, six hundred thirteen million, one hundred twenty thousand, two hundred sixty-five".