1012002112222 has 16 divisors (see below), whose sum is σ = 1519175623680. Its totient is φ = 505610338968.

The previous prime is 1012002112183. The next prime is 1012002112229. The reversal of 1012002112222 is 2222112002101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012002112196 and 1012002112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012002112229) 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, 24341929 + ... + 24383467.

It is an arithmetic number, because the mean of its divisors is an integer number (94948476480).

Almost surely, 2^{1012002112222} is an apocalyptic number.

1012002112222 is a deficient number, since it is larger than the sum of its proper divisors (507173511458).

1012002112222 is a wasteful number, since it uses less digits than its factorization.

1012002112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50655.

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

Adding to 1012002112222 its reverse (2222112002101), we get a palindrome (3234114114323).

The spelling of 1012002112222 in words is "one trillion, twelve billion, two million, one hundred twelve thousand, two hundred twenty-two".