1223301303121 has 4 divisors (see below), whose sum is σ = 1228175013744. Its totient is φ = 1218427592500.

The previous prime is 1223301303101. The next prime is 1223301303181. The reversal of 1223301303121 is 1213031033221.

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-1223301303121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223301303092 and 1223301303101.

It is not an unprimeable number, because it can be changed into a prime (1223301303101) 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, 2436854935 + ... + 2436855436.

It is an arithmetic number, because the mean of its divisors is an integer number (307043753436).

Almost surely, 2^{1223301303121} is an apocalyptic number.

It is an amenable number.

1223301303121 is a deficient number, since it is larger than the sum of its proper divisors (4873710623).

1223301303121 is an equidigital number, since it uses as much as digits as its factorization.

1223301303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873710622.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1223301303121 its reverse (1213031033221), we get a palindrome (2436332336342).

The spelling of 1223301303121 in words is "one trillion, two hundred twenty-three billion, three hundred one million, three hundred three thousand, one hundred twenty-one".