12189349294 has 8 divisors (see below), whose sum is σ = 18286740648. Its totient is φ = 6093769080.

The previous prime is 12189349259. The next prime is 12189349303. The reversal of 12189349294 is 49294398121.

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

It is a super-2 number, since 2×12189349294² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 435832 + ... + 462955.

It is an arithmetic number, because the mean of its divisors is an integer number (2285842581).

Almost surely, 2^12189349294 is an apocalyptic number.

12189349294 is a deficient number, since it is larger than the sum of its proper divisors (6097391354).

12189349294 is an equidigital number, since it uses as much as digits as its factorization.

12189349294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905570.

The product of its digits is 1119744, while the sum is 52.

The spelling of 12189349294 in words is "twelve billion, one hundred eighty-nine million, three hundred forty-nine thousand, two hundred ninety-four".