1214131412 has 24 divisors (see below), whose sum is σ = 2294341896. Its totient is φ = 558857088.

The previous prime is 1214131393. The next prime is 1214131423. The reversal of 1214131412 is 2141314121.

It can be written as a sum of positive squares in 4 ways, for example, as 114147856 + 1099983556 = 10684^2 + 33166^2 .

It is a super-2 number, since 2×1214131412² = 2948230171210227488, which contains 22 as substring.

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, 11903 + ... + 50694.

It is an arithmetic number, because the mean of its divisors is an integer number (95597579).

Almost surely, 2^1214131412 is an apocalyptic number.

It is an amenable number.

1214131412 is a deficient number, since it is larger than the sum of its proper divisors (1080210484).

1214131412 is a wasteful number, since it uses less digits than its factorization.

1214131412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62987 (or 62985 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 1214131412 is about 34844.3885295753. The cubic root of 1214131412 is about 1066.8136529649.

Adding to 1214131412 its reverse (2141314121), we get a palindrome (3355445533).

The spelling of 1214131412 in words is "one billion, two hundred fourteen million, one hundred thirty-one thousand, four hundred twelve".