201212122 has 8 divisors (see below), whose sum is σ = 306323136. Its totient is φ = 99104412.

The previous prime is 201212117. The next prime is 201212159. The reversal of 201212122 is 221212102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750658 + ... + 750925.

It is an arithmetic number, because the mean of its divisors is an integer number (38290392).

Almost surely, 2^201212122 is an apocalyptic number.

201212122 is a deficient number, since it is larger than the sum of its proper divisors (105111014).

201212122 is a wasteful number, since it uses less digits than its factorization.

201212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501652.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 201212122 is about 14184.9258722067. The cubic root of 201212122 is about 585.9825910098.

Adding to 201212122 its reverse (221212102), we get a palindrome (422424224).

The spelling of 201212122 in words is "two hundred one million, two hundred twelve thousand, one hundred twenty-two".