1220242340201 has 8 divisors (see below), whose sum is σ = 1246238805504. Its totient is φ = 1194247285920.

The previous prime is 1220242340167. The next prime is 1220242340279. The reversal of 1220242340201 is 1020432420221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220242340201 - 2⁶ = 1220242340137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220242340701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497536 + ... + 2164046.

It is an arithmetic number, because the mean of its divisors is an integer number (155779850688).

Almost surely, 2^{1220242340201} is an apocalyptic number.

It is an amenable number.

1220242340201 is a deficient number, since it is larger than the sum of its proper divisors (25996465303).

1220242340201 is an equidigital number, since it uses as much as digits as its factorization.

1220242340201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705511.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1220242340201 its reverse (1020432420221), we get a palindrome (2240674760422).

The spelling of 1220242340201 in words is "one trillion, two hundred twenty billion, two hundred forty-two million, three hundred forty thousand, two hundred one".