1211411214 has 40 divisors (see below), whose sum is σ = 2923268040. Its totient is φ = 372741264.

The previous prime is 1211411167. The next prime is 1211411233. The reversal of 1211411214 is 4121141121.

It is a super-3 number, since 3×1211411214³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 285504 + ... + 289715.

It is an arithmetic number, because the mean of its divisors is an integer number (73081701).

Almost surely, 2^1211411214 is an apocalyptic number.

1211411214 is an abundant number, since it is smaller than the sum of its proper divisors (1711856826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211411214 is a wasteful number, since it uses less digits than its factorization.

1211411214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575246 (or 575237 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 1211411214 is about 34805.3331258300. Note that the first 3 decimals coincide. The cubic root of 1211411214 is about 1066.0163438059.

Adding to 1211411214 its reverse (4121141121), we get a palindrome (5332552335).

The spelling of 1211411214 in words is "one billion, two hundred eleven million, four hundred eleven thousand, two hundred fourteen".