201222220012 has 24 divisors (see below), whose sum is σ = 385090791120. Its totient is φ = 91241007360.

The previous prime is 201222219953. The next prime is 201222220013. The reversal of 201222220012 is 210022222102.

It is not an unprimeable number, because it can be changed into a prime (201222220013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5572753 + ... + 5608744.

It is an arithmetic number, because the mean of its divisors is an integer number (16045449630).

Almost surely, 2^201222220012 is an apocalyptic number.

201222220012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201222220012 is a deficient number, since it is larger than the sum of its proper divisors (183868571108).

201222220012 is a wasteful number, since it uses less digits than its factorization.

201222220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181921 (or 11181919 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201222220012 its reverse (210022222102), we get a palindrome (411244442114).

The spelling of 201222220012 in words is "two hundred one billion, two hundred twenty-two million, two hundred twenty thousand, twelve".