1002212123122 has 16 divisors (see below), whose sum is σ = 1718123369472. Its totient is φ = 429508120320.

The previous prime is 1002212123119. The next prime is 1002212123173. The reversal of 1002212123122 is 2213212122001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002212123122.

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, 387154 + ... + 1467757.

It is an arithmetic number, because the mean of its divisors is an integer number (107382710592).

Almost surely, 2^{1002212123122} is an apocalyptic number.

1002212123122 is a deficient number, since it is larger than the sum of its proper divisors (715911246350).

1002212123122 is a wasteful number, since it uses less digits than its factorization.

1002212123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893513.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1002212123122 its reverse (2213212122001), we get a palindrome (3215424245123).

The spelling of 1002212123122 in words is "one trillion, two billion, two hundred twelve million, one hundred twenty-three thousand, one hundred twenty-two".