12105994763 has 16 divisors (see below), whose sum is σ = 13096922400. Its totient is φ = 11148335616.

The previous prime is 12105994759. The next prime is 12105994781. The reversal of 12105994763 is 36749950121.

It is not a de Polignac number, because 12105994763 - 2² = 12105994759 is a prime.

It is a super-3 number, since 3×12105994763³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12105994753) 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, 134045 + ... + 205377.

It is an arithmetic number, because the mean of its divisors is an integer number (818557650).

Almost surely, 2^12105994763 is an apocalyptic number.

12105994763 is a deficient number, since it is larger than the sum of its proper divisors (990927637).

12105994763 is a wasteful number, since it uses less digits than its factorization.

12105994763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71566.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 12105994763 in words is "twelve billion, one hundred five million, nine hundred ninety-four thousand, seven hundred sixty-three".