1200200012122 has 8 divisors (see below), whose sum is σ = 1800309192372. Its totient is φ = 600096948000.

The previous prime is 1200200012119. The next prime is 1200200012149. The reversal of 1200200012122 is 2212100020021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1072013815161 + 128186196961 = 1035381^2 + 358031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1002129 + ... + 1845172.

Almost surely, 2^{1200200012122} is an apocalyptic number.

1200200012122 is a deficient number, since it is larger than the sum of its proper divisors (600109180250).

1200200012122 is a wasteful number, since it uses less digits than its factorization.

1200200012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058064.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200200012122 its reverse (2212100020021), we get a palindrome (3412300032143).

The spelling of 1200200012122 in words is "one trillion, two hundred billion, two hundred million, twelve thousand, one hundred twenty-two".