122001200122 has 8 divisors (see below), whose sum is σ = 183597898176. Its totient is φ = 60801900732.

The previous prime is 122001200099. The next prime is 122001200147. The reversal of 122001200122 is 221002100221.

It is a happy number.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 99348898 + ... + 99350125.

It is an arithmetic number, because the mean of its divisors is an integer number (22949737272).

Almost surely, 2^122001200122 is an apocalyptic number.

122001200122 is a deficient number, since it is larger than the sum of its proper divisors (61596698054).

122001200122 is a wasteful number, since it uses less digits than its factorization.

122001200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198699332.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122001200122 its reverse (221002100221), we get a palindrome (343003300343).

Subtracting 122001200122 from its reverse (221002100221), we obtain a palindrome (99000900099).

The spelling of 122001200122 in words is "one hundred twenty-two billion, one million, two hundred thousand, one hundred twenty-two".