12188748934 has 8 divisors (see below), whose sum is σ = 18375931728. Its totient is φ = 6063438360.

The previous prime is 12188748931. The next prime is 12188749049. The reversal of 12188748934 is 43984788121.

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

It is a super-2 number, since 2×12188748934² (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 (12188748931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15467562 + ... + 15468349.

It is an arithmetic number, because the mean of its divisors is an integer number (2296991466).

Almost surely, 2^12188748934 is an apocalyptic number.

12188748934 is a deficient number, since it is larger than the sum of its proper divisors (6187182794).

12188748934 is a wasteful number, since it uses less digits than its factorization.

12188748934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30936110.

The product of its digits is 3096576, while the sum is 55.

The spelling of 12188748934 in words is "twelve billion, one hundred eighty-eight million, seven hundred forty-eight thousand, nine hundred thirty-four".