122313215251225 has 6 divisors (see below), whose sum is σ = 151668386911550. Its totient is φ = 97850572200960.

The previous prime is 122313215251223. The next prime is 122313215251231. The reversal of 122313215251225 is 522152512313221.

It can be written as a sum of positive squares in 3 ways, for example, as 9613695555216 + 112699519696009 = 3100596^2 + 10616003^2 .

It is not a de Polignac number, because 122313215251225 - 2¹ = 122313215251223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122313215251223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2446264305000 + ... + 2446264305049.

Almost surely, 2^{122313215251225} is an apocalyptic number.

It is an amenable number.

122313215251225 is a deficient number, since it is larger than the sum of its proper divisors (29355171660325).

122313215251225 is an equidigital number, since it uses as much as digits as its factorization.

122313215251225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892528610059 (or 4892528610054 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

Adding to 122313215251225 its reverse (522152512313221), we get a palindrome (644465727564446).

The spelling of 122313215251225 in words is "one hundred twenty-two trillion, three hundred thirteen billion, two hundred fifteen million, two hundred fifty-one thousand, two hundred twenty-five".