12051171050 has 24 divisors (see below), whose sum is σ = 22420267392. Its totient is φ = 4819374000.

The previous prime is 12051171049. The next prime is 12051171071. The reversal of 12051171050 is 5017115021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216605 + ... + 266495.

It is an arithmetic number, because the mean of its divisors is an integer number (934177808).

Almost surely, 2^12051171050 is an apocalyptic number.

12051171050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12051171050 is a deficient number, since it is larger than the sum of its proper divisors (10369096342).

12051171050 is a wasteful number, since it uses less digits than its factorization.

12051171050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54734 (or 54729 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 23.

Adding to 12051171050 its reverse (5017115021), we get a palindrome (17068286071).

The spelling of 12051171050 in words is "twelve billion, fifty-one million, one hundred seventy-one thousand, fifty".