122112236305 has 8 divisors (see below), whose sum is σ = 146741365800. Its totient is φ = 97552000896.

The previous prime is 122112236299. The next prime is 122112236377. The reversal of 122112236305 is 503632211221.

It can be written as a sum of positive squares in 4 ways, for example, as 37466641 + 122074769664 = 6121^2 + 349392^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122112236305 - 2⁵ = 122112236273 is a prime.

It is a super-2 number, since 2×122112236305² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17219620 + ... + 17226709.

It is an arithmetic number, because the mean of its divisors is an integer number (18342670725).

Almost surely, 2^122112236305 is an apocalyptic number.

It is an amenable number.

122112236305 is a deficient number, since it is larger than the sum of its proper divisors (24629129495).

122112236305 is an equidigital number, since it uses as much as digits as its factorization.

122112236305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34447043.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 122112236305 its reverse (503632211221), we get a palindrome (625744447526).

The spelling of 122112236305 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred thirty-six thousand, three hundred five".