1200202202122 has 128 divisors (see below), whose sum is σ = 2317695399936. Its totient is φ = 452563200000.

The previous prime is 1200202202083. The next prime is 1200202202137. The reversal of 1200202202122 is 2212022020021.

It is a junction number, because it is equal to n+sod(n) for n = 1200202202096 and 1200202202105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 999335122 + ... + 999336322.

It is an arithmetic number, because the mean of its divisors is an integer number (18106995312).

Almost surely, 2^{1200202202122} is an apocalyptic number.

1200202202122 is a deficient number, since it is larger than the sum of its proper divisors (1117493197814).

1200202202122 is a wasteful number, since it uses less digits than its factorization.

1200202202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1200202202122 its reverse (2212022020021), we get a palindrome (3412224222143).

The spelling of 1200202202122 in words is "one trillion, two hundred billion, two hundred two million, two hundred two thousand, one hundred twenty-two".