123331234412 has 24 divisors (see below), whose sum is σ = 216447221760. Its totient is φ = 61489244880.

The previous prime is 123331234391. The next prime is 123331234441. The reversal of 123331234412 is 214432133321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12800837 + ... + 12810467.

It is an arithmetic number, because the mean of its divisors is an integer number (9018634240).

Almost surely, 2^123331234412 is an apocalyptic number.

It is an amenable number.

123331234412 is a deficient number, since it is larger than the sum of its proper divisors (93115987348).

123331234412 is a wasteful number, since it uses less digits than its factorization.

123331234412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18461 (or 18459 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 123331234412 its reverse (214432133321), we get a palindrome (337763367733).

The spelling of 123331234412 in words is "one hundred twenty-three billion, three hundred thirty-one million, two hundred thirty-four thousand, four hundred twelve".