122001220002112 has 42 divisors (see below), whose sum is σ = 266105708572634. Its totient is φ = 55455099997440.

The previous prime is 122001220002083. The next prime is 122001220002223. The reversal of 122001220002112 is 211200022100221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 110589957662976 + 11411262339136 = 10516176^2 + 3378056^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7877137143 + ... + 7877152630.

Almost surely, 2^{122001220002112} is an apocalyptic number.

It is an amenable number.

122001220002112 is an abundant number, since it is smaller than the sum of its proper divisors (144104488570522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122001220002112 is a wasteful number, since it uses less digits than its factorization.

122001220002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15754289807 (or 15754289786 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122001220002112 its reverse (211200022100221), we get a palindrome (333201242102333).

The spelling of 122001220002112 in words is "one hundred twenty-two trillion, one billion, two hundred twenty million, two thousand, one hundred twelve".