201000122120212 has 24 divisors (see below), whose sum is σ = 363897105930792. Its totient is φ = 97078059456000.

The previous prime is 201000122120129. The next prime is 201000122120221. The reversal of 201000122120212 is 212021221000102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 88377776656 + 200911744343556 = 297284^2 + 14174334^2 .

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, 6067362153 + ... + 6067395280.

It is an arithmetic number, because the mean of its divisors is an integer number (15162379413783).

Almost surely, 2^{201000122120212} is an apocalyptic number.

It is an amenable number.

201000122120212 is a deficient number, since it is larger than the sum of its proper divisors (162896983810580).

201000122120212 is a wasteful number, since it uses less digits than its factorization.

201000122120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12134757579 (or 12134757577 counting only the distinct ones).

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

Adding to 201000122120212 its reverse (212021221000102), we get a palindrome (413021343120314).

The spelling of 201000122120212 in words is "two hundred one trillion, one hundred twenty-two million, one hundred twenty thousand, two hundred twelve".