12122112102112 has 12 divisors (see below), whose sum is σ = 23865408201096. Its totient is φ = 6061056051040.

The previous prime is 12122112102101. The next prime is 12122112102119. The reversal of 12122112102112 is 21120121122121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122112102112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122112102119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189408001564 + ... + 189408001627.

It is an arithmetic number, because the mean of its divisors is an integer number (1988784016758).

Almost surely, 2^{12122112102112} is an apocalyptic number.

It is an amenable number.

12122112102112 is a deficient number, since it is larger than the sum of its proper divisors (11743296098984).

12122112102112 is an equidigital number, since it uses as much as digits as its factorization.

12122112102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378816003201 (or 378816003193 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12122112102112 its reverse (21120121122121), we get a palindrome (33242233224233).

The spelling of 12122112102112 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, one hundred two thousand, one hundred twelve".