12105893772 has 48 divisors (see below), whose sum is σ = 35869317120. Its totient is φ = 3458826576.

The previous prime is 12105893743. The next prime is 12105893791. The reversal of 12105893772 is 27739850121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8005788 + ... + 8007299.

It is an arithmetic number, because the mean of its divisors is an integer number (747277440).

Almost surely, 2^12105893772 is an apocalyptic number.

12105893772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12105893772 is an abundant number, since it is smaller than the sum of its proper divisors (23763423348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12105893772 is a wasteful number, since it uses less digits than its factorization.

12105893772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16013107 (or 16013099 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 12105893772 in words is "twelve billion, one hundred five million, eight hundred ninety-three thousand, seven hundred seventy-two".