12163892129 has 4 divisors (see below), whose sum is σ = 12165840576. Its totient is φ = 12161943684.

The previous prime is 12163892123. The next prime is 12163892137. The reversal of 12163892129 is 92129836121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92129836121 = 467 ⋅197280163.

It is a cyclic number.

It is not a de Polignac number, because 12163892129 - 2⁴ = 12163892113 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12163892129.

It is not an unprimeable number, because it can be changed into a prime (12163892123) 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, 964829 + ... + 977354.

It is an arithmetic number, because the mean of its divisors is an integer number (3041460144).

Almost surely, 2^12163892129 is an apocalyptic number.

It is an amenable number.

12163892129 is a deficient number, since it is larger than the sum of its proper divisors (1948447).

12163892129 is an equidigital number, since it uses as much as digits as its factorization.

12163892129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948446.

The product of its digits is 93312, while the sum is 44.

The spelling of 12163892129 in words is "twelve billion, one hundred sixty-three million, eight hundred ninety-two thousand, one hundred twenty-nine".