1210120202122 has 16 divisors (see below), whose sum is σ = 1954843672320.
Its totient is φ = 558507269232.
The previous prime is 1210120202119. The next prime is 1210120202131. The reversal of 1210120202122 is 2212020210121.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1210120202096 and 1210120202105.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237903 + ... + 1988125.
It is an arithmetic number, because the mean of its divisors is an integer number (122177729520).
Almost surely, 21210120202122 is an apocalyptic number.
1210120202122 is a deficient number, since it is larger than the sum of its proper divisors (744723470198).
1210120202122 is a wasteful number, since it uses less digits than its factorization.
1210120202122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 812277.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1210120202122 its reverse (2212020210121), we get a palindrome (3422140412243).
The spelling of 1210120202122 in words is "one trillion, two hundred ten billion, one hundred twenty million, two hundred two thousand, one hundred twenty-two".