200000122120105 has 4 divisors (see below), whose sum is σ = 240000146544132. Its totient is φ = 160000097696080.

The previous prime is 200000122120067. The next prime is 200000122120111. The reversal of 200000122120105 is 501021221000002.

It is a happy number.

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 87845180875776 + 112154941244329 = 9372576^2 + 10590323^2 .

It is not a de Polignac number, because 200000122120105 - 2¹³ = 200000122111913 is a prime.

It is a super-2 number, since 2×200000122120105² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20000012212006 + ... + 20000012212015.

It is an arithmetic number, because the mean of its divisors is an integer number (60000036636033).

Almost surely, 2^{200000122120105} is an apocalyptic number.

It is an amenable number.

200000122120105 is a deficient number, since it is larger than the sum of its proper divisors (40000024424027).

200000122120105 is an equidigital number, since it uses as much as digits as its factorization.

200000122120105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000024424026.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 200000122120105 its reverse (501021221000002), we get a palindrome (701021343120107).

The spelling of 200000122120105 in words is "two hundred trillion, one hundred twenty-two million, one hundred twenty thousand, one hundred five".