12189393430 has 16 divisors (see below), whose sum is σ = 22063486320. Its totient is φ = 4848517792.

The previous prime is 12189393427. The next prime is 12189393449. The reversal of 12189393430 is 3439398121.

It is a super-3 number, since 3×12189393430³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403069 + ... + 3406648.

It is an arithmetic number, because the mean of its divisors is an integer number (1378967895).

Almost surely, 2^12189393430 is an apocalyptic number.

12189393430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12189393430 is a deficient number, since it is larger than the sum of its proper divisors (9874092890).

12189393430 is a wasteful number, since it uses less digits than its factorization.

12189393430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809903.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 12189393430 in words is "twelve billion, one hundred eighty-nine million, three hundred ninety-three thousand, four hundred thirty".