1242542443000 has 64 divisors (see below), whose sum is σ = 2907714438720. Its totient is φ = 496988752000.

The previous prime is 1242542442941. The next prime is 1242542443039. The reversal of 1242542443000 is 3442452421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33754605 + ... + 33791395.

It is an arithmetic number, because the mean of its divisors is an integer number (45433038105).

Almost surely, 2^{1242542443000} is an apocalyptic number.

1242542443000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242542443000 is an abundant number, since it is smaller than the sum of its proper divisors (1665171995720).

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

1242542443000 is a wasteful number, since it uses less digits than its factorization.

1242542443000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70585 (or 70571 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 1242542443000 its reverse (3442452421), we get a palindrome (1245984895421).

The spelling of 1242542443000 in words is "one trillion, two hundred forty-two billion, five hundred forty-two million, four hundred forty-three thousand".