201222124 has 12 divisors (see below), whose sum is σ = 367449264. Its totient is φ = 96236624.

The previous prime is 201222121. The next prime is 201222163. The reversal of 201222124 is 421222102.

201222124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201222098 and 201222107.

It is not an unprimeable number, because it can be changed into a prime (201222121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093507 + ... + 1093690.

It is an arithmetic number, because the mean of its divisors is an integer number (30620772).

Almost surely, 2^201222124 is an apocalyptic number.

It is an amenable number.

201222124 is a deficient number, since it is larger than the sum of its proper divisors (166227140).

201222124 is a wasteful number, since it uses less digits than its factorization.

201222124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187224 (or 2187222 counting only the distinct ones).

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

The square root of 201222124 is about 14185.2784251843. The cubic root of 201222124 is about 585.9923003333.

Adding to 201222124 its reverse (421222102), we get a palindrome (622444226).

The spelling of 201222124 in words is "two hundred one million, two hundred twenty-two thousand, one hundred twenty-four".