1210200212122 has 16 divisors (see below), whose sum is σ = 1980383514912. Its totient is φ = 550075479120.

The previous prime is 1210200212087. The next prime is 1210200212129. The reversal of 1210200212122 is 2212120020121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210200212096 and 1210200212105.

It is not an unprimeable number, because it can be changed into a prime (1210200212129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39913 + ... + 1556275.

It is an arithmetic number, because the mean of its divisors is an integer number (123773969682).

Almost surely, 2^{1210200212122} is an apocalyptic number.

1210200212122 is a deficient number, since it is larger than the sum of its proper divisors (770183302790).

1210200212122 is a wasteful number, since it uses less digits than its factorization.

1210200212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552653.

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

Adding to 1210200212122 its reverse (2212120020121), we get a palindrome (3422320232243).

The spelling of 1210200212122 in words is "one trillion, two hundred ten billion, two hundred million, two hundred twelve thousand, one hundred twenty-two".