112120221120012 has 72 divisors (see below), whose sum is σ = 334351340424192. Its totient is φ = 31000982796000.

The previous prime is 112120221119923. The next prime is 112120221120029. The reversal of 112120221120012 is 210021122021211.

112120221120012 is a `hidden beast` number, since 112 + 120 + 221 + 1 + 200 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7176145614 + ... + 7176161237.

Almost surely, 2^{112120221120012} is an apocalyptic number.

112120221120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112120221120012 is an abundant number, since it is smaller than the sum of its proper divisors (222231119304180).

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

112120221120012 is a wasteful number, since it uses less digits than its factorization.

112120221120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14352306899 (or 14352306894 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112120221120012 its reverse (210021122021211), we get a palindrome (322141343141223).

The spelling of 112120221120012 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twenty thousand, twelve".