1214211443 has 8 divisors (see below), whose sum is σ = 1221734400. Its totient is φ = 1206701568.

The previous prime is 1214211437. The next prime is 1214211461. The reversal of 1214211443 is 3441124121.

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 1214211443 - 2¹⁰ = 1214210419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214211413) 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, 234638 + ... + 239756.

It is an arithmetic number, because the mean of its divisors is an integer number (152716800).

Almost surely, 2^1214211443 is an apocalyptic number.

1214211443 is a deficient number, since it is larger than the sum of its proper divisors (7522957).

1214211443 is a wasteful number, since it uses less digits than its factorization.

1214211443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541.

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

The square root of 1214211443 is about 34845.5369165120. The cubic root of 1214211443 is about 1066.8370925714.

Adding to 1214211443 its reverse (3441124121), we get a palindrome (4655335564).

The spelling of 1214211443 in words is "one billion, two hundred fourteen million, two hundred eleven thousand, four hundred forty-three".