1240442403112 has 16 divisors (see below), whose sum is σ = 2537268552000. Its totient is φ = 563837455920.

The previous prime is 1240442403103. The next prime is 1240442403113. The reversal of 1240442403112 is 2113042440421.

It is not an unprimeable number, because it can be changed into a prime (1240442403113) 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, 7047968112 + ... + 7047968287.

It is an arithmetic number, because the mean of its divisors is an integer number (158579284500).

Almost surely, 2^{1240442403112} is an apocalyptic number.

It is an amenable number.

1240442403112 is an abundant number, since it is smaller than the sum of its proper divisors (1296826148888).

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

1240442403112 is a wasteful number, since it uses less digits than its factorization.

1240442403112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14095936416 (or 14095936412 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1240442403112 its reverse (2113042440421), we get a palindrome (3353484843533).

The spelling of 1240442403112 in words is "one trillion, two hundred forty billion, four hundred forty-two million, four hundred three thousand, one hundred twelve".