12139753168 has 10 divisors (see below), whose sum is σ = 23520771794. Its totient is φ = 6069876576.

The previous prime is 12139753123. The next prime is 12139753177. The reversal of 12139753168 is 86135793121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12133463104 + 6290064 = 110152^2 + 2508^2 .

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 as a sum of consecutive naturals, namely, 379367271 + ... + 379367302.

Almost surely, 2^12139753168 is an apocalyptic number.

It is an amenable number.

12139753168 is a deficient number, since it is larger than the sum of its proper divisors (11381018626).

12139753168 is an equidigital number, since it uses as much as digits as its factorization.

12139753168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758734581 (or 758734575 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The spelling of 12139753168 in words is "twelve billion, one hundred thirty-nine million, seven hundred fifty-three thousand, one hundred sixty-eight".