1242112011031 has 8 divisors (see below), whose sum is σ = 1244268449280. Its totient is φ = 1239955936248.

The previous prime is 1242112011029. The next prime is 1242112011043. The reversal of 1242112011031 is 1301102112421.

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

It is a cyclic number.

It is not a de Polignac number, because 1242112011031 - 2¹ = 1242112011029 is a prime.

It is a super-2 number, since 2×1242112011031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242112011131) 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 in 7 ways as a sum of consecutive naturals, for example, 7264440 + ... + 7433458.

It is an arithmetic number, because the mean of its divisors is an integer number (155533556160).

Almost surely, 2^{1242112011031} is an apocalyptic number.

1242112011031 is a deficient number, since it is larger than the sum of its proper divisors (2156438249).

1242112011031 is a wasteful number, since it uses less digits than its factorization.

1242112011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181733.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1242112011031 its reverse (1301102112421), we get a palindrome (2543214123452).

The spelling of 1242112011031 in words is "one trillion, two hundred forty-two billion, one hundred twelve million, eleven thousand, thirty-one".