1213033211 has 8 divisors (see below), whose sum is σ = 1308483120. Its totient is φ = 1117888992.

The previous prime is 1213033201. The next prime is 1213033219. The reversal of 1213033211 is 1123303121.

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 1213033211 - 2¹⁸ = 1212771067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213033211.

It is not an unprimeable number, because it can be changed into a prime (1213033219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68141 + ... + 84078.

It is an arithmetic number, because the mean of its divisors is an integer number (163560390).

Almost surely, 2^1213033211 is an apocalyptic number.

1213033211 is a deficient number, since it is larger than the sum of its proper divisors (95449909).

1213033211 is a wasteful number, since it uses less digits than its factorization.

1213033211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152845.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1213033211 is about 34828.6263151448. The cubic root of 1213033211 is about 1066.4919060154.

Adding to 1213033211 its reverse (1123303121), we get a palindrome (2336336332).

The spelling of 1213033211 in words is "one billion, two hundred thirteen million, thirty-three thousand, two hundred eleven".