221201000200212 has 24 divisors (see below), whose sum is σ = 516236731633056. Its totient is φ = 73719228947808.

The previous prime is 221201000200207. The next prime is 221201000200237. The reversal of 221201000200212 is 212002000102122.

It is a junction number, because it is equal to n+sod(n) for n = 221201000200191 and 221201000200200.

It is a congruent number.

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, 1804659363 + ... + 1804781930.

It is an arithmetic number, because the mean of its divisors is an integer number (21509863818044).

Almost surely, 2^{221201000200212} is an apocalyptic number.

It is an amenable number.

221201000200212 is an abundant number, since it is smaller than the sum of its proper divisors (295035731432844).

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

221201000200212 is a wasteful number, since it uses less digits than its factorization.

221201000200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609446407 (or 3609446405 counting only the distinct ones).

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

Adding to 221201000200212 its reverse (212002000102122), we get a palindrome (433203000302334).

The spelling of 221201000200212 in words is "two hundred twenty-one trillion, two hundred one billion, two hundred thousand, two hundred twelve".