30001243000000 has 196 divisors, whose sum is σ = 78793660959480. Its totient is φ = 11294579200000.

The previous prime is 30001242999943. The next prime is 30001243000007. The reversal of 30001243000000 is 34210003.

It is not an unprimeable number, because it can be changed into a prime (30001243000007) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 16117611 + ... + 17882389.

Almost surely, 2^{30001243000000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30001243000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39396830479740).

30001243000000 is an abundant number, since it is smaller than the sum of its proper divisors (48792417959480).

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

30001243000000 is an frugal number, since it uses more digits than its factorization.

30001243000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764838 (or 1764803 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30001243000000 its reverse (34210003), we get a palindrome (30001277210003).

The spelling of 30001243000000 in words is "thirty trillion, one billion, two hundred forty-three million", and thus it is an aban number.