200131878122 has 16 divisors (see below), whose sum is σ = 327689870112. Its totient is φ = 90913107120.

The previous prime is 200131878097. The next prime is 200131878131. The reversal of 200131878122 is 221878131002.

200131878122 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759813 + ... + 2831400.

It is an arithmetic number, because the mean of its divisors is an integer number (20480616882).

Almost surely, 2^200131878122 is an apocalyptic number.

200131878122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200131878122 is a deficient number, since it is larger than the sum of its proper divisors (127557991990).

200131878122 is a wasteful number, since it uses less digits than its factorization.

200131878122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592853.

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 200131878122 in words is "two hundred billion, one hundred thirty-one million, eight hundred seventy-eight thousand, one hundred twenty-two".