1232011211 has 4 divisors (see below), whose sum is σ = 1234200072. Its totient is φ = 1229822352.

The previous prime is 1232011201. The next prime is 1232011217. The reversal of 1232011211 is 1121102321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232011211 - 2¹⁰ = 1232010187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232011217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093586 + ... + 1094711.

It is an arithmetic number, because the mean of its divisors is an integer number (308550018).

Almost surely, 2^1232011211 is an apocalyptic number.

1232011211 is a deficient number, since it is larger than the sum of its proper divisors (2188861).

1232011211 is an equidigital number, since it uses as much as digits as its factorization.

1232011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188860.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1232011211 is about 35100.0172507080. The cubic root of 1232011211 is about 1072.0249339243.

Adding to 1232011211 its reverse (1121102321), we get a palindrome (2353113532).

The spelling of 1232011211 in words is "one billion, two hundred thirty-two million, eleven thousand, two hundred eleven".