1220020001198 has 4 divisors (see below), whose sum is σ = 1830030001800. Its totient is φ = 610010000598.

The previous prime is 1220020001173. The next prime is 1220020001203. The reversal of 1220020001198 is 8911000200221.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 305005000298 + ... + 305005000301.

It is an arithmetic number, because the mean of its divisors is an integer number (457507500450).

Almost surely, 2^{1220020001198} is an apocalyptic number.

1220020001198 is a deficient number, since it is larger than the sum of its proper divisors (610010000602).

1220020001198 is an equidigital number, since it uses as much as digits as its factorization.

1220020001198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610010000601.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 1220020001198 in words is "one trillion, two hundred twenty billion, twenty million, one thousand, one hundred ninety-eight".