212011213201 has 4 divisors (see below), whose sum is σ = 213361603252. Its totient is φ = 210660823152.

The previous prime is 212011213151. The next prime is 212011213277. The reversal of 212011213201 is 102312110212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76917475600 + 135093737601 = 277340^2 + 367551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212011213201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212011213291) 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, 675194790 + ... + 675195103.

It is an arithmetic number, because the mean of its divisors is an integer number (53340400813).

Almost surely, 2^212011213201 is an apocalyptic number.

It is an amenable number.

212011213201 is a deficient number, since it is larger than the sum of its proper divisors (1350390051).

212011213201 is a wasteful number, since it uses less digits than its factorization.

212011213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350390050.

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

Adding to 212011213201 its reverse (102312110212), we get a palindrome (314323323413).

The spelling of 212011213201 in words is "two hundred twelve billion, eleven million, two hundred thirteen thousand, two hundred one".