1223112133301 has 4 divisors (see below), whose sum is σ = 1223138194572. Its totient is φ = 1223086072032.

The previous prime is 1223112133267. The next prime is 1223112133337. The reversal of 1223112133301 is 1033312113221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1206010294225 + 17101839076 = 1098185^2 + 130774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223112133301 - 2³⁰ = 1222038391477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223112133381) by changing a digit.

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, 12960110 + ... + 13054143.

It is an arithmetic number, because the mean of its divisors is an integer number (305784548643).

Almost surely, 2^{1223112133301} is an apocalyptic number.

It is an amenable number.

1223112133301 is a deficient number, since it is larger than the sum of its proper divisors (26061271).

1223112133301 is an equidigital number, since it uses as much as digits as its factorization.

1223112133301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26061270.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1223112133301 its reverse (1033312113221), we get a palindrome (2256424246522).

The spelling of 1223112133301 in words is "one trillion, two hundred twenty-three billion, one hundred twelve million, one hundred thirty-three thousand, three hundred one".