12173140276 has 24 divisors (see below), whose sum is σ = 23678119584. Its totient is φ = 5428843680.

The previous prime is 12173140163. The next prime is 12173140277. The reversal of 12173140276 is 67204137121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173140277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607690 + ... + 2612353.

It is an arithmetic number, because the mean of its divisors is an integer number (986588316).

Almost surely, 2^12173140276 is an apocalyptic number.

It is an amenable number.

12173140276 is a deficient number, since it is larger than the sum of its proper divisors (11504979308).

12173140276 is a wasteful number, since it uses less digits than its factorization.

12173140276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220111 (or 5220109 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

Adding to 12173140276 its reverse (67204137121), we get a palindrome (79377277397).

The spelling of 12173140276 in words is "twelve billion, one hundred seventy-three million, one hundred forty thousand, two hundred seventy-six".