201124122212 has 24 divisors (see below), whose sum is σ = 380838041472. Its totient is φ = 92386576800.

The previous prime is 201124122203. The next prime is 201124122217. The reversal of 201124122212 is 212221421102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201124122217) 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, 9154364 + ... + 9176307.

It is an arithmetic number, because the mean of its divisors is an integer number (15868251728).

Almost surely, 2^201124122212 is an apocalyptic number.

It is an amenable number.

201124122212 is a deficient number, since it is larger than the sum of its proper divisors (179713919260).

201124122212 is a wasteful number, since it uses less digits than its factorization.

201124122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18330899 (or 18330897 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201124122212 its reverse (212221421102), we get a palindrome (413345543314).

The spelling of 201124122212 in words is "two hundred one billion, one hundred twenty-four million, one hundred twenty-two thousand, two hundred twelve".