1231332233332 has 24 divisors (see below), whose sum is σ = 2200733289216. Its totient is φ = 602551941408.

The previous prime is 1231332233279. The next prime is 1231332233333. The reversal of 1231332233332 is 2333322331321.

It is a junction number, because it is equal to n+sod(n) for n = 1231332233294 and 1231332233303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231332233333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14777178 + ... + 14860270.

It is an arithmetic number, because the mean of its divisors is an integer number (91697220384).

Almost surely, 2^{1231332233332} is an apocalyptic number.

It is an amenable number.

1231332233332 is a deficient number, since it is larger than the sum of its proper divisors (969401055884).

1231332233332 is a wasteful number, since it uses less digits than its factorization.

1231332233332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161967 (or 161965 counting only the distinct ones).

The product of its digits is 34992, while the sum is 31.

Adding to 1231332233332 its reverse (2333322331321), we get a palindrome (3564654564653).

The spelling of 1231332233332 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-two million, two hundred thirty-three thousand, three hundred thirty-two".