1223112443301 has 20 divisors (see below), whose sum is σ = 2088135530272. Its totient is φ = 698921395848.

The previous prime is 1223112443239. The next prime is 1223112443339. The reversal of 1223112443301 is 1033442113221.

1223112443301 is a `hidden beast` number, since 1 + 2 + 2 + 311 + 2 + 4 + 43 + 301 = 666.

It is not a de Polignac number, because 1223112443301 - 2⁹ = 1223112442789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223112443341) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1078581835 + ... + 1078582968.

Almost surely, 2^{1223112443301} is an apocalyptic number.

It is an amenable number.

1223112443301 is a deficient number, since it is larger than the sum of its proper divisors (865023086971).

1223112443301 is an equidigital number, since it uses as much as digits as its factorization.

1223112443301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157164822 (or 2157164813 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1223112443301 its reverse (1033442113221), we get a palindrome (2256554556522).

The spelling of 1223112443301 in words is "one trillion, two hundred twenty-three billion, one hundred twelve million, four hundred forty-three thousand, three hundred one".