201044221212 has 12 divisors (see below), whose sum is σ = 469103182856. Its totient is φ = 67014740400.

The previous prime is 201044221211. The next prime is 201044221283. The reversal of 201044221212 is 212122440102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044221211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8376842539 + ... + 8376842562.

Almost surely, 2^201044221212 is an apocalyptic number.

It is an amenable number.

201044221212 is an abundant number, since it is smaller than the sum of its proper divisors (268058961644).

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

201044221212 is a wasteful number, since it uses less digits than its factorization.

201044221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16753685108 (or 16753685106 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201044221212 its reverse (212122440102), we get a palindrome (413166661314).

The spelling of 201044221212 in words is "two hundred one billion, forty-four million, two hundred twenty-one thousand, two hundred twelve".