1220000405315 has 4 divisors (see below), whose sum is σ = 1464000486384. Its totient is φ = 976000324248.

The previous prime is 1220000405303. The next prime is 1220000405357. The reversal of 1220000405315 is 5135040000221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220000405315 - 2⁶ = 1220000405251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 122000040527 + ... + 122000040536.

It is an arithmetic number, because the mean of its divisors is an integer number (366000121596).

Almost surely, 2^{1220000405315} is an apocalyptic number.

1220000405315 is a deficient number, since it is larger than the sum of its proper divisors (244000081069).

1220000405315 is an equidigital number, since it uses as much as digits as its factorization.

1220000405315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244000081068.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 1220000405315 its reverse (5135040000221), we get a palindrome (6355040405536).

The spelling of 1220000405315 in words is "one trillion, two hundred twenty billion, four hundred five thousand, three hundred fifteen".