201210212122 has 8 divisors (see below), whose sum is σ = 302420160000. Its totient is φ = 100403492124.

The previous prime is 201210212101. The next prime is 201210212123. The reversal of 201210212122 is 221212012102.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 201210212096 and 201210212105.

It is not an unprimeable number, because it can be changed into a prime (201210212123) 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, 100805722 + ... + 100807717.

It is an arithmetic number, because the mean of its divisors is an integer number (37802520000).

Almost surely, 2^201210212122 is an apocalyptic number.

201210212122 is a deficient number, since it is larger than the sum of its proper divisors (101209947878).

201210212122 is a wasteful number, since it uses less digits than its factorization.

201210212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201613940.

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

Adding to 201210212122 its reverse (221212012102), we get a palindrome (422422224224).

The spelling of 201210212122 in words is "two hundred one billion, two hundred ten million, two hundred twelve thousand, one hundred twenty-two".