200321012122 has 16 divisors (see below), whose sum is σ = 374626308672. Its totient is φ = 78047147520.

The previous prime is 200321012119. The next prime is 200321012141. The reversal of 200321012122 is 221210123002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200321012096 and 200321012105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650392743 + ... + 650393050.

It is an arithmetic number, because the mean of its divisors is an integer number (23414144292).

Almost surely, 2^200321012122 is an apocalyptic number.

200321012122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200321012122 is a deficient number, since it is larger than the sum of its proper divisors (174305296550).

200321012122 is a wasteful number, since it uses less digits than its factorization.

200321012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300785813.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200321012122 its reverse (221210123002), we get a palindrome (421531135124).

The spelling of 200321012122 in words is "two hundred billion, three hundred twenty-one million, twelve thousand, one hundred twenty-two".