12210120112112 has 80 divisors (see below), whose sum is σ = 27345053867040. Its totient is φ = 5231286706176.

The previous prime is 12210120112087. The next prime is 12210120112171. The reversal of 12210120112112 is 21121102101221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23393162 + ... + 23909417.

It is an arithmetic number, because the mean of its divisors is an integer number (341813173338).

Almost surely, 2^{12210120112112} is an apocalyptic number.

It is an amenable number.

12210120112112 is an abundant number, since it is smaller than the sum of its proper divisors (15134933754928).

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

12210120112112 is a wasteful number, since it uses less digits than its factorization.

12210120112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47302690 (or 47302684 counting only the distinct ones).

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

Adding to 12210120112112 its reverse (21121102101221), we get a palindrome (33331222213333).

The spelling of 12210120112112 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, one hundred twelve thousand, one hundred twelve".