1201220112122 has 8 divisors (see below), whose sum is σ = 1840166980416. Its totient is φ = 587831118652.

The previous prime is 1201220112119. The next prime is 1201220112167. The reversal of 1201220112122 is 2212110221021.

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 1201220112122.

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, 6389468588 + ... + 6389468775.

It is an arithmetic number, because the mean of its divisors is an integer number (230020872552).

Almost surely, 2^{1201220112122} is an apocalyptic number.

1201220112122 is a deficient number, since it is larger than the sum of its proper divisors (638946868294).

1201220112122 is a wasteful number, since it uses less digits than its factorization.

1201220112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778937412.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1201220112122 its reverse (2212110221021), we get a palindrome (3413330333143).

The spelling of 1201220112122 in words is "one trillion, two hundred one billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty-two".