212031201 has 32 divisors (see below), whose sum is σ = 298027008. Its totient is φ = 133954560.

The previous prime is 212031173. The next prime is 212031251. The reversal of 212031201 is 102130212.

212031201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212031201 - 2⁶ = 212031137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212031251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1110016 + ... + 1110206.

It is an arithmetic number, because the mean of its divisors is an integer number (9313344).

Almost surely, 2^212031201 is an apocalyptic number.

It is an amenable number.

212031201 is a deficient number, since it is larger than the sum of its proper divisors (85995807).

212031201 is a wasteful number, since it uses less digits than its factorization.

212031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212031201 is about 14561.2911858805. The cubic root of 212031201 is about 596.3024464149.

Adding to 212031201 its reverse (102130212), we get a palindrome (314161413).

The spelling of 212031201 in words is "two hundred twelve million, thirty-one thousand, two hundred one".