1220443413241 has 16 divisors (see below), whose sum is σ = 1363195330560. Its totient is φ = 1084876027200.

The previous prime is 1220443413229. The next prime is 1220443413263. The reversal of 1220443413241 is 1423143440221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1220443413241 - 2²⁵ = 1220409858809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220443413271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4081785 + ... + 4370566.

It is an arithmetic number, because the mean of its divisors is an integer number (85199708160).

Almost surely, 2^{1220443413241} is an apocalyptic number.

It is an amenable number.

1220443413241 is a deficient number, since it is larger than the sum of its proper divisors (142751917319).

1220443413241 is a wasteful number, since it uses less digits than its factorization.

1220443413241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452776.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1220443413241 its reverse (1423143440221), we get a palindrome (2643586853462).

The spelling of 1220443413241 in words is "one trillion, two hundred twenty billion, four hundred forty-three million, four hundred thirteen thousand, two hundred forty-one".