1212240414 has 32 divisors (see below), whose sum is σ = 3022730496. Its totient is φ = 314867520.

The previous prime is 1212240389. The next prime is 1212240443. The reversal of 1212240414 is 4140422121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311487 + ... + 1312410.

It is an arithmetic number, because the mean of its divisors is an integer number (94460328).

Almost surely, 2^1212240414 is an apocalyptic number.

1212240414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1212240414 is an abundant number, since it is smaller than the sum of its proper divisors (1810490082).

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

1212240414 is a wasteful number, since it uses less digits than its factorization.

1212240414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623920.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1212240414 is about 34817.2430557045. The cubic root of 1212240414 is about 1066.2595145079.

Adding to 1212240414 its reverse (4140422121), we get a palindrome (5352662535).

The spelling of 1212240414 in words is "one billion, two hundred twelve million, two hundred forty thousand, four hundred fourteen".