1231231233122 has 32 divisors (see below), whose sum is σ = 2087313511680. Its totient is φ = 539549176320.

The previous prime is 1231231233107. The next prime is 1231231233163. The reversal of 1231231233122 is 2213321321321.

It is a junction number, because it is equal to n+sod(n) for n = 1231231233091 and 1231231233100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004378 + ... + 1863125.

It is an arithmetic number, because the mean of its divisors is an integer number (65228547240).

Almost surely, 2^{1231231233122} is an apocalyptic number.

1231231233122 is a deficient number, since it is larger than the sum of its proper divisors (856082278558).

1231231233122 is a wasteful number, since it uses less digits than its factorization.

1231231233122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868218.

The product of its digits is 2592, while the sum is 26.

Adding to 1231231233122 its reverse (2213321321321), we get a palindrome (3444552554443).

The spelling of 1231231233122 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-one million, two hundred thirty-three thousand, one hundred twenty-two".