1112120021212 has 6 divisors (see below), whose sum is σ = 1946210037128. Its totient is φ = 556060010604.

The previous prime is 1112120021171. The next prime is 1112120021213. The reversal of 1112120021212 is 2121200212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112120021213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139015002648 + ... + 139015002655.

Almost surely, 2^{1112120021212} is an apocalyptic number.

It is an amenable number.

1112120021212 is a deficient number, since it is larger than the sum of its proper divisors (834090015916).

1112120021212 is a wasteful number, since it uses less digits than its factorization.

1112120021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278030005307 (or 278030005305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112120021212 its reverse (2121200212111), we get a palindrome (3233320233323).

The spelling of 1112120021212 in words is "one trillion, one hundred twelve billion, one hundred twenty million, twenty-one thousand, two hundred twelve".