1231122332 has 24 divisors (see below), whose sum is σ = 2373151872. Its totient is φ = 554166000.

The previous prime is 1231122331. The next prime is 1231122407. The reversal of 1231122332 is 2332211321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231122331) 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, 131294 + ... + 140357.

It is an arithmetic number, because the mean of its divisors is an integer number (98881328).

Almost surely, 2^1231122332 is an apocalyptic number.

It is an amenable number.

1231122332 is a deficient number, since it is larger than the sum of its proper divisors (1142029540).

1231122332 is a wasteful number, since it uses less digits than its factorization.

1231122332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271769 (or 271767 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 1231122332 is about 35087.3528782096. The cubic root of 1231122332 is about 1071.7670548556.

Adding to 1231122332 its reverse (2332211321), we get a palindrome (3563333653).

It can be divided in two parts, 12311 and 22332, that added together give a palindrome (34643).

The spelling of 1231122332 in words is "one billion, two hundred thirty-one million, one hundred twenty-two thousand, three hundred thirty-two".