1214143412 has 24 divisors (see below), whose sum is σ = 2221623936. Its totient is φ = 579500768.

The previous prime is 1214143409. The next prime is 1214143421. The reversal of 1214143412 is 2143414121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33158 + ... + 59394.

It is an arithmetic number, because the mean of its divisors is an integer number (92567664).

Almost surely, 2^1214143412 is an apocalyptic number.

It is an amenable number.

1214143412 is a deficient number, since it is larger than the sum of its proper divisors (1007480524).

1214143412 is a wasteful number, since it uses less digits than its factorization.

1214143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26767 (or 26765 counting only the distinct ones).

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

The square root of 1214143412 is about 34844.5607233037. The cubic root of 1214143412 is about 1066.8171676096.

Adding to 1214143412 its reverse (2143414121), we get a palindrome (3357557533).

The spelling of 1214143412 in words is "one billion, two hundred fourteen million, one hundred forty-three thousand, four hundred twelve".