1214443211 has 4 divisors (see below), whose sum is σ = 1221153024. Its totient is φ = 1207733400.

The previous prime is 1214443207. The next prime is 1214443231. The reversal of 1214443211 is 1123444121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123444121 = 331 ⋅3394091.

It is a cyclic number.

It is not a de Polignac number, because 1214443211 - 2² = 1214443207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214443231) 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, 3354635 + ... + 3354996.

It is an arithmetic number, because the mean of its divisors is an integer number (305288256).

Almost surely, 2^1214443211 is an apocalyptic number.

1214443211 is a deficient number, since it is larger than the sum of its proper divisors (6709813).

1214443211 is an equidigital number, since it uses as much as digits as its factorization.

1214443211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709812.

The product of its digits is 768, while the sum is 23.

The square root of 1214443211 is about 34848.8624061102. The cubic root of 1214443211 is about 1066.9049673418.

Adding to 1214443211 its reverse (1123444121), we get a palindrome (2337887332).

It can be divided in two parts, 12144 and 43211, that added together give a palindrome (55355).

The spelling of 1214443211 in words is "one billion, two hundred fourteen million, four hundred forty-three thousand, two hundred eleven".