212112201 has 16 divisors (see below), whose sum is σ = 329318784. Its totient is φ = 118919424.

The previous prime is 212112169. The next prime is 212112223. The reversal of 212112201 is 102211212.

It is not a de Polignac number, because 212112201 - 2⁵ = 212112169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112001) 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, 94176 + ... + 96401.

It is an arithmetic number, because the mean of its divisors is an integer number (20582424).

Almost surely, 2^212112201 is an apocalyptic number.

212112201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212112201 is a deficient number, since it is larger than the sum of its proper divisors (117206583).

212112201 is a wasteful number, since it uses less digits than its factorization.

212112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190640.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 212112201 is about 14564.0722670550. The cubic root of 212112201 is about 596.3783697517.

Adding to 212112201 its reverse (102211212), we get a palindrome (314323413).

The spelling of 212112201 in words is "two hundred twelve million, one hundred twelve thousand, two hundred one".