200112121204 has 12 divisors (see below), whose sum is σ = 358737583428. Its totient is φ = 97615668800.

The previous prime is 200112121177. The next prime is 200112121211. The reversal of 200112121204 is 402121211002.

It can be written as a sum of positive squares in 2 ways, for example, as 62135532900 + 137976588304 = 249270^2 + 371452^2 .

It is a super-2 number, since 2×200112121204² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610097767 + ... + 610098094.

It is an arithmetic number, because the mean of its divisors is an integer number (29894798619).

Almost surely, 2^200112121204 is an apocalyptic number.

It is an amenable number.

200112121204 is a deficient number, since it is larger than the sum of its proper divisors (158625462224).

200112121204 is a wasteful number, since it uses less digits than its factorization.

200112121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220195906 (or 1220195904 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200112121204 its reverse (402121211002), we get a palindrome (602233332206).

The spelling of 200112121204 in words is "two hundred billion, one hundred twelve million, one hundred twenty-one thousand, two hundred four".