1220341004045 has 8 divisors (see below), whose sum is σ = 1466333531640. Its totient is φ = 974989918720.

The previous prime is 1220341004023. The next prime is 1220341004107. The reversal of 1220341004045 is 5404001430221.

It can be written as a sum of positive squares in 4 ways, for example, as 52043753161 + 1168297250884 = 228131^2 + 1080878^2 .

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

It is not a de Polignac number, because 1220341004045 - 2⁸ = 1220341003789 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 160356380 + ... + 160363989.

It is an arithmetic number, because the mean of its divisors is an integer number (183291691455).

Almost surely, 2^{1220341004045} is an apocalyptic number.

It is an amenable number.

1220341004045 is a deficient number, since it is larger than the sum of its proper divisors (245992527595).

1220341004045 is an equidigital number, since it uses as much as digits as its factorization.

1220341004045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320721135.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1220341004045 its reverse (5404001430221), we get a palindrome (6624342434266).

The spelling of 1220341004045 in words is "one trillion, two hundred twenty billion, three hundred forty-one million, four thousand, forty-five".