212322201 has 16 divisors (see below), whose sum is σ = 348426624. Its totient is φ = 111993984.

The previous prime is 212322199. The next prime is 212322203. The reversal of 212322201 is 102223212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212322199) and next prime (212322203).

It is not a de Polignac number, because 212322201 - 2¹ = 212322199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212322203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388596 + ... + 389141.

It is an arithmetic number, because the mean of its divisors is an integer number (21776664).

Almost surely, 2^212322201 is an apocalyptic number.

212322201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212322201 is a deficient number, since it is larger than the sum of its proper divisors (136104423).

212322201 is a wasteful number, since it uses less digits than its factorization.

212322201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777760.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212322201 is about 14571.2800055452. The cubic root of 212322201 is about 596.5751180591.

Adding to 212322201 its reverse (102223212), we get a palindrome (314545413).

The spelling of 212322201 in words is "two hundred twelve million, three hundred twenty-two thousand, two hundred one".