12331121122 has 8 divisors (see below), whose sum is σ = 19584721836. Its totient is φ = 5802880512.

The previous prime is 12331121093. The next prime is 12331121129. The reversal of 12331121122 is 22112113321.

It can be written as a sum of positive squares in 2 ways, for example, as 11800694161 + 530426961 = 108631^2 + 23031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12331121122.

It is not an unprimeable number, because it can be changed into a prime (12331121129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181339983 + ... + 181340050.

Almost surely, 2^12331121122 is an apocalyptic number.

12331121122 is a deficient number, since it is larger than the sum of its proper divisors (7253600714).

12331121122 is a wasteful number, since it uses less digits than its factorization.

12331121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362680052.

The product of its digits is 144, while the sum is 19.

Adding to 12331121122 its reverse (22112113321), we get a palindrome (34443234443).

The spelling of 12331121122 in words is "twelve billion, three hundred thirty-one million, one hundred twenty-one thousand, one hundred twenty-two".