12200354642 has 16 divisors (see below), whose sum is σ = 21110362560. Its totient is φ = 5179856208.

The previous prime is 12200354641. The next prime is 12200354653. The reversal of 12200354642 is 24645300221.

12200354642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12200354641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4070717 + ... + 4073712.

It is an arithmetic number, because the mean of its divisors is an integer number (1319397660).

Almost surely, 2^12200354642 is an apocalyptic number.

12200354642 is a deficient number, since it is larger than the sum of its proper divisors (8910007918).

12200354642 is a wasteful number, since it uses less digits than its factorization.

12200354642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8144545.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 12200354642 its reverse (24645300221), we get a palindrome (36845654863).

The spelling of 12200354642 in words is "twelve billion, two hundred million, three hundred fifty-four thousand, six hundred forty-two".