1200002110022 has 16 divisors (see below), whose sum is σ = 1805625752112. Its totient is φ = 598129379040.

The previous prime is 1200002110007. The next prime is 1200002110031. The reversal of 1200002110022 is 2200112000021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200002109985 and 1200002110012.

It is a congruent number.

It is an unprimeable number.

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, 324428 + ... + 1582800.

It is an arithmetic number, because the mean of its divisors is an integer number (112851609507).

Almost surely, 2^{1200002110022} is an apocalyptic number.

1200002110022 is a deficient number, since it is larger than the sum of its proper divisors (605623642090).

1200002110022 is a wasteful number, since it uses less digits than its factorization.

1200002110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259863.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200002110022 its reverse (2200112000021), we get a palindrome (3400114110043).

The spelling of 1200002110022 in words is "one trillion, two hundred billion, two million, one hundred ten thousand, twenty-two".