1012121112122 has 16 divisors (see below), whose sum is σ = 1534794910272. Its totient is φ = 500551576800.

The previous prime is 1012121112097. The next prime is 1012121112133. The reversal of 1012121112122 is 2212111212101.

It is a self number, because there is not a number n which added to its sum of digits gives 1012121112122.

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 7 ways as a sum of consecutive naturals, for example, 7121468 + ... + 7262199.

It is an arithmetic number, because the mean of its divisors is an integer number (95924681892).

Almost surely, 2^{1012121112122} is an apocalyptic number.

1012121112122 is a deficient number, since it is larger than the sum of its proper divisors (522673798150).

1012121112122 is a wasteful number, since it uses less digits than its factorization.

1012121112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14384053.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1012121112122 its reverse (2212111212101), we get a palindrome (3224232324223).

The spelling of 1012121112122 in words is "one trillion, twelve billion, one hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".