200200121232 has 20 divisors (see below), whose sum is σ = 517183646640. Its totient is φ = 66733373728.

The previous prime is 200200121213. The next prime is 200200121269. The reversal of 200200121232 is 232121002002.

It is a happy 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, 2085417882 + ... + 2085417977.

It is an arithmetic number, because the mean of its divisors is an integer number (25859182332).

Almost surely, 2^200200121232 is an apocalyptic number.

It is an amenable number.

200200121232 is an abundant number, since it is smaller than the sum of its proper divisors (316983525408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200200121232 is a wasteful number, since it uses less digits than its factorization.

200200121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170835870 (or 4170835864 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 200200121232 its reverse (232121002002), we get a palindrome (432321123234).

The spelling of 200200121232 in words is "two hundred billion, two hundred million, one hundred twenty-one thousand, two hundred thirty-two".