122122200122 has 8 divisors (see below), whose sum is σ = 197274323316. Its totient is φ = 56364092352.

The previous prime is 122122200119. The next prime is 122122200131. The reversal of 122122200122 is 221002221221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120444396601 + 1677803521 = 347051^2 + 40961^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 122122200122.

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, 2348503823 + ... + 2348503874.

Almost surely, 2^122122200122 is an apocalyptic number.

122122200122 is a deficient number, since it is larger than the sum of its proper divisors (75152123194).

122122200122 is a wasteful number, since it uses less digits than its factorization.

122122200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697007712.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122122200122 its reverse (221002221221), we get a palindrome (343124421343).

The spelling of 122122200122 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred thousand, one hundred twenty-two".