1212241112 has 16 divisors (see below), whose sum is σ = 2346273600. Its totient is φ = 586568160.

The previous prime is 1212241103. The next prime is 1212241123. The reversal of 1212241112 is 2111422121.

It is a nude number because it is divisible by every one of its digits.

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 3 ways as a sum of consecutive naturals, for example, 2443787 + ... + 2444282.

It is an arithmetic number, because the mean of its divisors is an integer number (146642100).

Almost surely, 2^1212241112 is an apocalyptic number.

It is an amenable number.

1212241112 is a deficient number, since it is larger than the sum of its proper divisors (1134032488).

1212241112 is a wasteful number, since it uses less digits than its factorization.

1212241112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888106 (or 4888102 counting only the distinct ones).

The product of its digits is 64, while the sum is 17.

The square root of 1212241112 is about 34817.2530794720. The cubic root of 1212241112 is about 1066.2597191562.

Adding to 1212241112 its reverse (2111422121), we get a palindrome (3323663233).

The spelling of 1212241112 in words is "one billion, two hundred twelve million, two hundred forty-one thousand, one hundred twelve".