112121010111212 has 12 divisors (see below), whose sum is σ = 196214872213416. Its totient is φ = 56059618050240.

The previous prime is 112121010111157. The next prime is 112121010111259. The reversal of 112121010111212 is 212111010121211.

It is a super-2 number, since 2×112121010111212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221466893 + ... + 221972580.

It is an arithmetic number, because the mean of its divisors is an integer number (16351239351118).

Almost surely, 2^{112121010111212} is an apocalyptic number.

It is an amenable number.

112121010111212 is a deficient number, since it is larger than the sum of its proper divisors (84093862102204).

112121010111212 is a wasteful number, since it uses less digits than its factorization.

112121010111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443502688 (or 443502686 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112121010111212 its reverse (212111010121211), we get a palindrome (324232020232423).

Subtracting 112121010111212 from its reverse (212111010121211), we obtain a palindrome (99990000009999).

The spelling of 112121010111212 in words is "one hundred twelve trillion, one hundred twenty-one billion, ten million, one hundred eleven thousand, two hundred twelve".