12146684944 has 45 divisors (see below), whose sum is σ = 23991220447. Its totient is φ = 5957619872.

The previous prime is 12146684941. The next prime is 12146684981. The reversal of 12146684944 is 44948664121.

The square root of 12146684944 is 110212.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12146684941) 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 8 ways as a sum of consecutive naturals, for example, 26009799 + ... + 26010265.

Almost surely, 2^12146684944 is an apocalyptic number.

12146684944 is the 110212-nd square number.

It is an amenable number.

12146684944 is a deficient number, since it is larger than the sum of its proper divisors (11844535503).

12146684944 is an frugal number, since it uses more digits than its factorization.

12146684944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 528 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

Multiplying 12146684944 by its sum of digits (49), we get a square (595187562256 = 771484²).

The spelling of 12146684944 in words is "twelve billion, one hundred forty-six million, six hundred eighty-four thousand, nine hundred forty-four".