122100200212 has 6 divisors (see below), whose sum is σ = 213675350378.
Its totient is φ = 61050100104.
The previous prime is 122100200171. The next prime is 122100200249. The reversal of 122100200212 is 212002001221.
Adding to 122100200212 its reverse (212002001221), we get a palindrome (334102201433).
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 108363422596 + 13736777616 = 329186^2 + 117204^2
It is a junction number, because it is equal to n+sod(n) for n = 122100200192 and 122100200201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15262525023 + ... + 15262525030.
Almost surely, 2122100200212 is an apocalyptic number.
It is an amenable number.
122100200212 is a deficient number, since it is larger than the sum of its proper divisors (91575150166).
122100200212 is a wasteful number, since it uses less digits than its factorization.
122100200212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30525050057 (or 30525050055 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The spelling of 122100200212 in words is "one hundred twenty-two billion, one hundred million, two hundred thousand, two hundred twelve".