12081260159 has 4 divisors (see below), whose sum is σ = 12081667416. Its totient is φ = 12080852904.

The previous prime is 12081260123. The next prime is 12081260287. The reversal of 12081260159 is 95106218021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95106218021 = 17 ⋅5594483413.

It is a cyclic number.

It is not a de Polignac number, because 12081260159 - 2²⁸ = 11812824703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081230159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155309 + ... + 219734.

It is an arithmetic number, because the mean of its divisors is an integer number (3020416854).

Almost surely, 2^12081260159 is an apocalyptic number.

12081260159 is a deficient number, since it is larger than the sum of its proper divisors (407257).

12081260159 is an equidigital number, since it uses as much as digits as its factorization.

12081260159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407256.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 12081260159 in words is "twelve billion, eighty-one million, two hundred sixty thousand, one hundred fifty-nine".