1203231211 has 24 divisors (see below), whose sum is σ = 1511897184. Its totient is φ = 949132800.

The previous prime is 1203231209. The next prime is 1203231247. The reversal of 1203231211 is 1121323021.

It is not a de Polignac number, because 1203231211 - 2¹ = 1203231209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1203231251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222186 + ... + 227536.

It is an arithmetic number, because the mean of its divisors is an integer number (62995716).

Almost surely, 2^1203231211 is an apocalyptic number.

1203231211 is a deficient number, since it is larger than the sum of its proper divisors (308665973).

1203231211 is a wasteful number, since it uses less digits than its factorization.

1203231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5731 (or 5724 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1203231211 is about 34687.6233114925. The cubic root of 1203231211 is about 1063.6115127205.

Adding to 1203231211 its reverse (1121323021), we get a palindrome (2324554232).

The spelling of 1203231211 in words is "one billion, two hundred three million, two hundred thirty-one thousand, two hundred eleven".