112112101211212 has 12 divisors (see below), whose sum is σ = 198559986483096. Its totient is φ = 55380676501760.

The previous prime is 112112101211183. The next prime is 112112101211213. The reversal of 112112101211212 is 212112101211211.

It is a self number, because there is not a number n which added to its sum of digits gives 112112101211212.

It is not an unprimeable number, because it can be changed into a prime (112112101211213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168843525589 + ... + 168843526252.

It is an arithmetic number, because the mean of its divisors is an integer number (16546665540258).

Almost surely, 2^{112112101211212} is an apocalyptic number.

It is an amenable number.

112112101211212 is a deficient number, since it is larger than the sum of its proper divisors (86447885271884).

112112101211212 is a wasteful number, since it uses less digits than its factorization.

112112101211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337687051928 (or 337687051926 counting only the distinct ones).

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

Adding to 112112101211212 its reverse (212112101211211), we get a palindrome (324224202422423).

Subtracting 112112101211212 from its reverse (212112101211211), we obtain a palindrome (99999999999999).

The spelling of 112112101211212 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred one million, two hundred eleven thousand, two hundred twelve".