12144951673 has 8 divisors (see below), whose sum is σ = 12735851400. Its totient is φ = 11565525888.

The previous prime is 12144951661. The next prime is 12144951719. The reversal of 12144951673 is 37615944121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4296409209 + 7848542464 = 65547^2 + 88592^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12144951673 is a prime.

It is a super-2 number, since 2×12144951673² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12144951473) 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, 2866318 + ... + 2870551.

It is an arithmetic number, because the mean of its divisors is an integer number (1591981425).

Almost surely, 2^12144951673 is an apocalyptic number.

It is an amenable number.

12144951673 is a deficient number, since it is larger than the sum of its proper divisors (590899727).

12144951673 is an equidigital number, since it uses as much as digits as its factorization.

12144951673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736971.

The product of its digits is 181440, while the sum is 43.

The spelling of 12144951673 in words is "twelve billion, one hundred forty-four million, nine hundred fifty-one thousand, six hundred seventy-three".