212031121201 has 12 divisors (see below), whose sum is σ = 222382978576. Its totient is φ = 202048872480.

The previous prime is 212031121199. The next prime is 212031121271. The reversal of 212031121201 is 102121130212.

It is not a de Polignac number, because 212031121201 - 2¹ = 212031121199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212031121271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1394391 + ... + 1538956.

Almost surely, 2^212031121201 is an apocalyptic number.

It is an amenable number.

212031121201 is a deficient number, since it is larger than the sum of its proper divisors (10351857375).

212031121201 is an equidigital number, since it uses as much as digits as its factorization.

212031121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933472 (or 2933431 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212031121201 its reverse (102121130212), we get a palindrome (314152251413).

The spelling of 212031121201 in words is "two hundred twelve billion, thirty-one million, one hundred twenty-one thousand, two hundred one".