122257106810 has 16 divisors (see below), whose sum is σ = 226010435976. Its totient is φ = 47581144128.

The previous prime is 122257106759. The next prime is 122257106819. The reversal of 122257106810 is 18601752221.

It can be written as a sum of positive squares in 4 ways, for example, as 118190876521 + 4066230289 = 343789^2 + 63767^2 .

It is a super-2 number, since 2×122257106810² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122257106819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165211937 + ... + 165212676.

Almost surely, 2^122257106810 is an apocalyptic number.

122257106810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122257106810 is a deficient number, since it is larger than the sum of its proper divisors (103753329166).

122257106810 is a wasteful number, since it uses less digits than its factorization.

122257106810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330424657.

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 122257106810 in words is "one hundred twenty-two billion, two hundred fifty-seven million, one hundred six thousand, eight hundred ten".