1012210202122 has 32 divisors (see below), whose sum is σ = 1747673800704. Its totient is φ = 430693470000.

The previous prime is 1012210202111. The next prime is 1012210202137. The reversal of 1012210202122 is 2212020122101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012210202096 and 1012210202105.

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 15 ways as a sum of consecutive naturals, for example, 3722497 + ... + 3985147.

It is an arithmetic number, because the mean of its divisors is an integer number (54614806272).

Almost surely, 2^{1012210202122} is an apocalyptic number.

1012210202122 is a deficient number, since it is larger than the sum of its proper divisors (735463598582).

1012210202122 is a wasteful number, since it uses less digits than its factorization.

1012210202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264634.

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

Adding to 1012210202122 its reverse (2212020122101), we get a palindrome (3224230324223).

The spelling of 1012210202122 in words is "one trillion, twelve billion, two hundred ten million, two hundred two thousand, one hundred twenty-two".