1112121201212 has 24 divisors (see below), whose sum is σ = 2224605413856. Its totient is φ = 476545583808.

The previous prime is 1112121201197. The next prime is 1112121201239. The reversal of 1112121201212 is 2121021212111.

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, 3066383 + ... + 3409830.

It is an arithmetic number, because the mean of its divisors is an integer number (92691892244).

Almost surely, 2^{1112121201212} is an apocalyptic number.

It is an amenable number.

1112121201212 is an abundant number, since it is smaller than the sum of its proper divisors (1112484212644).

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

1112121201212 is a wasteful number, since it uses less digits than its factorization.

1112121201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482357 (or 6482355 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1112121201212 its reverse (2121021212111), we get a palindrome (3233142413323).

The spelling of 1112121201212 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred one thousand, two hundred twelve".