201212000011222 has 4 divisors (see below), whose sum is σ = 301818000016836. Its totient is φ = 100606000005610.

The previous prime is 201212000011171. The next prime is 201212000011303. The reversal of 201212000011222 is 222110000212102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 201212000011196 and 201212000011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50303000002804 + ... + 50303000002807.

It is an arithmetic number, because the mean of its divisors is an integer number (75454500004209).

Almost surely, 2^{201212000011222} is an apocalyptic number.

201212000011222 is a deficient number, since it is larger than the sum of its proper divisors (100606000005614).

201212000011222 is a wasteful number, since it uses less digits than its factorization.

201212000011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100606000005613.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201212000011222 its reverse (222110000212102), we get a palindrome (423322000223324).

The spelling of 201212000011222 in words is "two hundred one trillion, two hundred twelve billion, eleven thousand, two hundred twenty-two".