1210230201 has 4 divisors (see below), whose sum is σ = 1613640272. Its totient is φ = 806820132.

The previous prime is 1210230191. The next prime is 1210230211. The reversal of 1210230201 is 1020320121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1210230191) and next prime (1210230211).

It is not a de Polignac number, because 1210230201 - 2⁹ = 1210229689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1210230211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201705031 + ... + 201705036.

It is an arithmetic number, because the mean of its divisors is an integer number (403410068).

Almost surely, 2^1210230201 is an apocalyptic number.

It is an amenable number.

1210230201 is a deficient number, since it is larger than the sum of its proper divisors (403410071).

1210230201 is an equidigital number, since it uses as much as digits as its factorization.

1210230201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403410070.

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

The square root of 1210230201 is about 34788.3630112140. The cubic root of 1210230201 is about 1065.6698089831.

Adding to 1210230201 its reverse (1020320121), we get a palindrome (2230550322).

The spelling of 1210230201 in words is "one billion, two hundred ten million, two hundred thirty thousand, two hundred one".