12331123034 has 4 divisors (see below), whose sum is σ = 18496684554. Its totient is φ = 6165561516.

The previous prime is 12331123033. The next prime is 12331123061. The reversal of 12331123034 is 43032113321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43032113321 = 14081 ⋅3056041.

It can be written as a sum of positive squares in only one way, i.e., 7293672409 + 5037450625 = 85403^2 + 70975^2 .

It is not an unprimeable number, because it can be changed into a prime (12331123033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3082780757 + ... + 3082780760.

Almost surely, 2^12331123034 is an apocalyptic number.

12331123034 is a deficient number, since it is larger than the sum of its proper divisors (6165561520).

12331123034 is an equidigital number, since it uses as much as digits as its factorization.

12331123034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165561519.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12331123034 its reverse (43032113321), we get a palindrome (55363236355).

The spelling of 12331123034 in words is "twelve billion, three hundred thirty-one million, one hundred twenty-three thousand, thirty-four".