1220443413315 has 96 divisors (see below), whose sum is σ = 2347999303680. Its totient is φ = 539181619200.

The previous prime is 1220443413281. The next prime is 1220443413317. The reversal of 1220443413315 is 5133143440221.

It is not a de Polignac number, because 1220443413315 - 2¹¹ = 1220443411267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220443413317) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16801875 + ... + 16874355.

It is an arithmetic number, because the mean of its divisors is an integer number (24458326080).

Almost surely, 2^{1220443413315} is an apocalyptic number.

1220443413315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1220443413315 is a deficient number, since it is larger than the sum of its proper divisors (1127555890365).

1220443413315 is a wasteful number, since it uses less digits than its factorization.

1220443413315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73273 (or 73266 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1220443413315 its reverse (5133143440221), we get a palindrome (6353586853536).

The spelling of 1220443413315 in words is "one trillion, two hundred twenty billion, four hundred forty-three million, four hundred thirteen thousand, three hundred fifteen".