12402154530 has 48 divisors (see below), whose sum is σ = 33647590080. Its totient is φ = 3163447584.

The previous prime is 12402154519. The next prime is 12402154547. The reversal of 12402154530 is 3545120421.

12402154530 is a `hidden beast` number, since 124 + 0 + 2 + 1 + 5 + 4 + 530 = 666.

12402154530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12402154494 and 12402154503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2993620 + ... + 2997759.

It is an arithmetic number, because the mean of its divisors is an integer number (700991460).

Almost surely, 2^12402154530 is an apocalyptic number.

12402154530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12402154530 is an abundant number, since it is smaller than the sum of its proper divisors (21245435550).

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

12402154530 is a wasteful number, since it uses less digits than its factorization.

12402154530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991415 (or 5991412 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 12402154530 its reverse (3545120421), we get a palindrome (15947274951).

The spelling of 12402154530 in words is "twelve billion, four hundred two million, one hundred fifty-four thousand, five hundred thirty".