12400242030 has 48 divisors (see below), whose sum is σ = 35171598384. Its totient is φ = 3006119040.

The previous prime is 12400241999. The next prime is 12400242067. The reversal of 12400242030 is 3024200421.

12400242030 is a `hidden beast` number, since 1 + 240 + 0 + 2 + 420 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12400241994 and 12400242012.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6261759 + ... + 6263738.

It is an arithmetic number, because the mean of its divisors is an integer number (732741633).

Almost surely, 2^12400242030 is an apocalyptic number.

12400242030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12400242030 is an abundant number, since it is smaller than the sum of its proper divisors (22771356354).

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

12400242030 is a wasteful number, since it uses less digits than its factorization.

12400242030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12525521 (or 12525518 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12400242030 its reverse (3024200421), we get a palindrome (15424442451).

The spelling of 12400242030 in words is "twelve billion, four hundred million, two hundred forty-two thousand, thirty".