12154345430 has 8 divisors (see below), whose sum is σ = 21877821792. Its totient is φ = 4861738168.

The previous prime is 12154345417. The next prime is 12154345433. The reversal of 12154345430 is 3454345121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12154345430² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154345433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 607717262 + ... + 607717281.

It is an arithmetic number, because the mean of its divisors is an integer number (2734727724).

Almost surely, 2^12154345430 is an apocalyptic number.

12154345430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12154345430 is a deficient number, since it is larger than the sum of its proper divisors (9723476362).

12154345430 is a wasteful number, since it uses less digits than its factorization.

12154345430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215434550.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 12154345430 in words is "twelve billion, one hundred fifty-four million, three hundred forty-five thousand, four hundred thirty".