1232231312121 has 32 divisors (see below), whose sum is σ = 1683073244160. Its totient is φ = 801716952000.

The previous prime is 1232231312113. The next prime is 1232231312131. The reversal of 1232231312121 is 1212131322321.

It is not a de Polignac number, because 1232231312121 - 2³ = 1232231312113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232231312091 and 1232231312100.

It is not an unprimeable number, because it can be changed into a prime (1232231312131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10984606 + ... + 11096216.

It is an arithmetic number, because the mean of its divisors is an integer number (52596038880).

Almost surely, 2^{1232231312121} is an apocalyptic number.

It is an amenable number.

1232231312121 is a deficient number, since it is larger than the sum of its proper divisors (450841932039).

1232231312121 is a wasteful number, since it uses less digits than its factorization.

1232231312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112237.

The product of its digits is 864, while the sum is 24.

Adding to 1232231312121 its reverse (1212131322321), we get a palindrome (2444362634442).

The spelling of 1232231312121 in words is "one trillion, two hundred thirty-two billion, two hundred thirty-one million, three hundred twelve thousand, one hundred twenty-one".