1233212011 has 8 divisors (see below), whose sum is σ = 1306385280. Its totient is φ = 1160108928.

The previous prime is 1233211963. The next prime is 1233212027. The reversal of 1233212011 is 1102123321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1233212011 - 2¹⁵ = 1233179243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233212311) 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 7 ways as a sum of consecutive naturals, for example, 21085 + ... + 53953.

It is an arithmetic number, because the mean of its divisors is an integer number (163298160).

Almost surely, 2^1233212011 is an apocalyptic number.

1233212011 is a deficient number, since it is larger than the sum of its proper divisors (73173269).

1233212011 is a wasteful number, since it uses less digits than its factorization.

1233212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35093.

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

The square root of 1233212011 is about 35117.1184894205. The cubic root of 1233212011 is about 1072.3731097445.

Adding to 1233212011 its reverse (1102123321), we get a palindrome (2335335332).

The spelling of 1233212011 in words is "one billion, two hundred thirty-three million, two hundred twelve thousand, eleven".