12139015145189 has 2 divisors, whose sum is σ = 12139015145190. Its totient is φ = 12139015145188.

The previous prime is 12139015145167. The next prime is 12139015145233. The reversal of 12139015145189 is 98154151093121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12097701330625 + 41313814564 = 3478175^2 + 203258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12139015145189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12139015145149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6069507572594 + 6069507572595.

It is an arithmetic number, because the mean of its divisors is an integer number (6069507572595).

Almost surely, 2^{12139015145189} is an apocalyptic number.

It is an amenable number.

12139015145189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12139015145189 is an equidigital number, since it uses as much as digits as its factorization.

12139015145189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 50.

The spelling of 12139015145189 in words is "twelve trillion, one hundred thirty-nine billion, fifteen million, one hundred forty-five thousand, one hundred eighty-nine".