1200122122202 has 8 divisors (see below), whose sum is σ = 1816114008276. Its totient is φ = 594750786112.

The previous prime is 1200122122189. The next prime is 1200122122223. The reversal of 1200122122202 is 2022212210021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1175227278241 + 24894843961 = 1084079^2 + 157781^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2655137213 + ... + 2655137664.

Almost surely, 2^{1200122122202} is an apocalyptic number.

1200122122202 is a deficient number, since it is larger than the sum of its proper divisors (615991886074).

1200122122202 is a wasteful number, since it uses less digits than its factorization.

1200122122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310274992.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1200122122202 its reverse (2022212210021), we get a palindrome (3222334332223).

The spelling of 1200122122202 in words is "one trillion, two hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred two".