1220217542098 has 8 divisors (see below), whose sum is σ = 1830580794108. Its totient is φ = 610023944064.

The previous prime is 1220217542069. The next prime is 1220217542153. The reversal of 1220217542098 is 8902457120221.

It can be written as a sum of positive squares in 2 ways, for example, as 905605366689 + 314612175409 = 951633^2 + 560903^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 42395511 + ... + 42424282.

Almost surely, 2^{1220217542098} is an apocalyptic number.

1220217542098 is a deficient number, since it is larger than the sum of its proper divisors (610363252010).

1220217542098 is an equidigital number, since it uses as much as digits as its factorization.

1220217542098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84826988.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 1220217542098 in words is "one trillion, two hundred twenty billion, two hundred seventeen million, five hundred forty-two thousand, ninety-eight".