1012221202198 has 8 divisors (see below), whose sum is σ = 1519547445000. Its totient is φ = 505705387200.

The previous prime is 1012221202177. The next prime is 1012221202229. The reversal of 1012221202198 is 8912021222101.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 202603828 + ... + 202608823.

It is an arithmetic number, because the mean of its divisors is an integer number (189943430625).

Almost surely, 2^{1012221202198} is an apocalyptic number.

1012221202198 is a deficient number, since it is larger than the sum of its proper divisors (507326242802).

1012221202198 is a wasteful number, since it uses less digits than its factorization.

1012221202198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405213902.

The product of its (nonzero) digits is 2304, while the sum is 31.

Adding to 1012221202198 its reverse (8912021222101), we get a palindrome (9924242424299).

The spelling of 1012221202198 in words is "one trillion, twelve billion, two hundred twenty-one million, two hundred two thousand, one hundred ninety-eight".