201212022013223 has 16 divisors (see below), whose sum is σ = 216882624493920. Its totient is φ = 185568999525504.

The previous prime is 201212022013141. The next prime is 201212022013229. The reversal of 201212022013223 is 322310220212102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201212022013223 - 2²⁸ = 201211753577767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212022013229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110276540 + ... + 112086302.

It is an arithmetic number, because the mean of its divisors is an integer number (13555164030870).

Almost surely, 2^{201212022013223} is an apocalyptic number.

201212022013223 is a deficient number, since it is larger than the sum of its proper divisors (15670602480697).

201212022013223 is a wasteful number, since it uses less digits than its factorization.

201212022013223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817378.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201212022013223 its reverse (322310220212102), we get a palindrome (523522242225325).

The spelling of 201212022013223 in words is "two hundred one trillion, two hundred twelve billion, twenty-two million, thirteen thousand, two hundred twenty-three".