1200122102198 has 4 divisors (see below), whose sum is σ = 1800183153300. Its totient is φ = 600061051098.

The previous prime is 1200122102149. The next prime is 1200122102213. The reversal of 1200122102198 is 8912012210021.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1200122102198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300030525548 + ... + 300030525551.

It is an arithmetic number, because the mean of its divisors is an integer number (450045788325).

Almost surely, 2^{1200122102198} is an apocalyptic number.

1200122102198 is a deficient number, since it is larger than the sum of its proper divisors (600061051102).

1200122102198 is an equidigital number, since it uses as much as digits as its factorization.

1200122102198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600061051101.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 1200122102198 in words is "one trillion, two hundred billion, one hundred twenty-two million, one hundred two thousand, one hundred ninety-eight".