1210231201 has 12 divisors (see below), whose sum is σ = 1281033252. Its totient is φ = 1143166464.

The previous prime is 1210231177. The next prime is 1210231229. The reversal of 1210231201 is 1021320121.

It can be written as a sum of positive squares in 2 ways, for example, as 233356176 + 976875025 = 15276^2 + 31255^2 .

It is not a de Polignac number, because 1210231201 - 2¹⁵ = 1210198433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210231291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122685 + ... + 132181.

It is an arithmetic number, because the mean of its divisors is an integer number (106752771).

Almost surely, 2^1210231201 is an apocalyptic number.

It is an amenable number.

1210231201 is a deficient number, since it is larger than the sum of its proper divisors (70802051).

1210231201 is an equidigital number, since it uses as much as digits as its factorization.

1210231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9888 (or 9869 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1210231201 is about 34788.3773838332. The cubic root of 1210231201 is about 1065.6701025002.

Adding to 1210231201 its reverse (1021320121), we get a palindrome (2231551322).

The spelling of 1210231201 in words is "one billion, two hundred ten million, two hundred thirty-one thousand, two hundred one".