12200642050 has 12 divisors (see below), whose sum is σ = 22693194306. Its totient is φ = 4880256800.

The previous prime is 12200641993. The next prime is 12200642081. The reversal of 12200642050 is 5024600221.

It can be written as a sum of positive squares in 3 ways, for example, as 4562056849 + 7638585201 = 67543^2 + 87399^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122006371 + ... + 122006470.

Almost surely, 2^12200642050 is an apocalyptic number.

12200642050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12200642050 is a deficient number, since it is larger than the sum of its proper divisors (10492552256).

12200642050 is a wasteful number, since it uses less digits than its factorization.

12200642050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244012853 (or 244012848 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The spelling of 12200642050 in words is "twelve billion, two hundred million, six hundred forty-two thousand, fifty".