1223132303121 has 4 divisors (see below), whose sum is σ = 1630843070832. Its totient is φ = 815421535412.

The previous prime is 1223132303053. The next prime is 1223132303143. The reversal of 1223132303121 is 1213032313221.

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 not a de Polignac number, because 1223132303121 - 2¹⁰ = 1223132302097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223132303091 and 1223132303100.

It is not an unprimeable number, because it can be changed into a prime (1223132303171) 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, 203855383851 + ... + 203855383856.

It is an arithmetic number, because the mean of its divisors is an integer number (407710767708).

Almost surely, 2^{1223132303121} is an apocalyptic number.

It is an amenable number.

1223132303121 is a deficient number, since it is larger than the sum of its proper divisors (407710767711).

1223132303121 is an equidigital number, since it uses as much as digits as its factorization.

1223132303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407710767710.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1223132303121 its reverse (1213032313221), we get a palindrome (2436164616342).

The spelling of 1223132303121 in words is "one trillion, two hundred twenty-three billion, one hundred thirty-two million, three hundred three thousand, one hundred twenty-one".