12012565158143 has 16 divisors (see below), whose sum is σ = 13241013075360. Its totient is φ = 10806872064000.

The previous prime is 12012565158107. The next prime is 12012565158149. The reversal of 12012565158143 is 34185156521021.

It is a cyclic number.

It is not a de Polignac number, because 12012565158143 - 2²⁸ = 12012296722687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012565158094 and 12012565158103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012565158149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10444703 + ... + 11537631.

It is an arithmetic number, because the mean of its divisors is an integer number (827563317210).

Almost surely, 2^{12012565158143} is an apocalyptic number.

12012565158143 is a deficient number, since it is larger than the sum of its proper divisors (1228447917217).

12012565158143 is a wasteful number, since it uses less digits than its factorization.

12012565158143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103338.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 12012565158143 in words is "twelve trillion, twelve billion, five hundred sixty-five million, one hundred fifty-eight thousand, one hundred forty-three".