200221212012 has 24 divisors (see below), whose sum is σ = 467290175856. Its totient is φ = 66725068608.

The previous prime is 200221212007. The next prime is 200221212049. The reversal of 200221212012 is 210212122002.

It is a junction number, because it is equal to n+sod(n) for n = 200221211982 and 200221212000.

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, 1862463 + ... + 1967030.

It is an arithmetic number, because the mean of its divisors is an integer number (19470423994).

Almost surely, 2^200221212012 is an apocalyptic number.

It is an amenable number.

200221212012 is an abundant number, since it is smaller than the sum of its proper divisors (267068963844).

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

200221212012 is a wasteful number, since it uses less digits than its factorization.

200221212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833857 (or 3833855 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200221212012 its reverse (210212122002), we get a palindrome (410433334014).

The spelling of 200221212012 in words is "two hundred billion, two hundred twenty-one million, two hundred twelve thousand, twelve".