212210300121 has 8 divisors (see below), whose sum is σ = 282949194720. Its totient is φ = 141472469472.

The previous prime is 212210300111. The next prime is 212210300179. The reversal of 212210300121 is 121003012212.

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

It is not a de Polignac number, because 212210300121 - 2⁵ = 212210300089 is a prime.

It is a super-2 number, since 2×212210300121² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212210300121.

It is not an unprimeable number, because it can be changed into a prime (212210300111) 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, 652950 + ... + 922368.

It is an arithmetic number, because the mean of its divisors is an integer number (35368649340).

Almost surely, 2^212210300121 is an apocalyptic number.

It is an amenable number.

212210300121 is a deficient number, since it is larger than the sum of its proper divisors (70738894599).

212210300121 is a wasteful number, since it uses less digits than its factorization.

212210300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531975.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212210300121 its reverse (121003012212), we get a palindrome (333213312333).

The spelling of 212210300121 in words is "two hundred twelve billion, two hundred ten million, three hundred thousand, one hundred twenty-one".