1232122111311 has 64 divisors (see below), whose sum is σ = 2079171763200. Its totient is φ = 631559586816.

The previous prime is 1232122111273. The next prime is 1232122111313. The reversal of 1232122111311 is 1131112212321.

It is not a de Polignac number, because 1232122111311 - 2⁷ = 1232122111183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232122111313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8096320 + ... + 8247098.

It is an arithmetic number, because the mean of its divisors is an integer number (32487058800).

Almost surely, 2^{1232122111311} is an apocalyptic number.

1232122111311 is a deficient number, since it is larger than the sum of its proper divisors (847049651889).

1232122111311 is a wasteful number, since it uses less digits than its factorization.

1232122111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151648.

The product of its digits is 144, while the sum is 21.

Adding to 1232122111311 its reverse (1131112212321), we get a palindrome (2363234323632).

The spelling of 1232122111311 in words is "one trillion, two hundred thirty-two billion, one hundred twenty-two million, one hundred eleven thousand, three hundred eleven".