12166973483 has 4 divisors (see below), whose sum is σ = 13905112560. Its totient is φ = 10428834408.

The previous prime is 12166973479. The next prime is 12166973509. The reversal of 12166973483 is 38437966121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38437966121 = 31 ⋅1239934391.

It is a cyclic number.

It is not a de Polignac number, because 12166973483 - 2² = 12166973479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12166973443) 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, 869069528 + ... + 869069541.

It is an arithmetic number, because the mean of its divisors is an integer number (3476278140).

Almost surely, 2^12166973483 is an apocalyptic number.

12166973483 is a deficient number, since it is larger than the sum of its proper divisors (1738139077).

12166973483 is an equidigital number, since it uses as much as digits as its factorization.

12166973483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738139076.

The product of its digits is 1306368, while the sum is 50.

The spelling of 12166973483 in words is "twelve billion, one hundred sixty-six million, nine hundred seventy-three thousand, four hundred eighty-three".