112121101121212 has 12 divisors (see below), whose sum is σ = 196439287254336. Its totient is φ = 55995590477120.

The previous prime is 112121101121207. The next prime is 112121101121243. The reversal of 112121101121212 is 212121101121211.

It is a super-2 number, since 2×112121101121212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112121101121212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16240016989 + ... + 16240023892.

It is an arithmetic number, because the mean of its divisors is an integer number (16369940604528).

Almost surely, 2^{112121101121212} is an apocalyptic number.

It is an amenable number.

112121101121212 is a deficient number, since it is larger than the sum of its proper divisors (84318186133124).

112121101121212 is a wasteful number, since it uses less digits than its factorization.

112121101121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32480041748 (or 32480041746 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112121101121212 its reverse (212121101121211), we get a palindrome (324242202242423).

Subtracting 112121101121212 from its reverse (212121101121211), we obtain a palindrome (99999999999999).

The spelling of 112121101121212 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty-one thousand, two hundred twelve".