1220233404041 has 4 divisors (see below), whose sum is σ = 1284456214800. Its totient is φ = 1156010593284.

The previous prime is 1220233403933. The next prime is 1220233404073. The reversal of 1220233404041 is 1404043320221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220233404041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220233404041.

It is not an unprimeable number, because it can be changed into a prime (1220233004041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32111405351 + ... + 32111405388.

It is an arithmetic number, because the mean of its divisors is an integer number (321114053700).

Almost surely, 2^{1220233404041} is an apocalyptic number.

It is an amenable number.

1220233404041 is a deficient number, since it is larger than the sum of its proper divisors (64222810759).

1220233404041 is an equidigital number, since it uses as much as digits as its factorization.

1220233404041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64222810758.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1220233404041 its reverse (1404043320221), we get a palindrome (2624276724262).

The spelling of 1220233404041 in words is "one trillion, two hundred twenty billion, two hundred thirty-three million, four hundred four thousand, forty-one".