12031011124242 has 48 divisors (see below), whose sum is σ = 26449535550816. Its totient is φ = 3645595940800.

The previous prime is 12031011124217. The next prime is 12031011124243. The reversal of 12031011124242 is 24242111013021.

It is not an unprimeable number, because it can be changed into a prime (12031011124243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16179742 + ... + 16906982.

It is an arithmetic number, because the mean of its divisors is an integer number (551031990642).

Almost surely, 2^{12031011124242} is an apocalyptic number.

12031011124242 is an abundant number, since it is smaller than the sum of its proper divisors (14418524426574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12031011124242 is a wasteful number, since it uses less digits than its factorization.

12031011124242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750055 (or 750044 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12031011124242 its reverse (24242111013021), we get a palindrome (36273122137263).

The spelling of 12031011124242 in words is "twelve trillion, thirty-one billion, eleven million, one hundred twenty-four thousand, two hundred forty-two".