112120221000012 has 12 divisors (see below), whose sum is σ = 261613849000056. Its totient is φ = 37373407000000.

The previous prime is 112120221000001. The next prime is 112120221000013. The reversal of 112120221000012 is 210000122021211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 112120220999955 and 112120221000000.

It is not an unprimeable number, because it can be changed into a prime (112120221000013) 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, 4671675874989 + ... + 4671675875012.

It is an arithmetic number, because the mean of its divisors is an integer number (21801154083338).

Almost surely, 2^{112120221000012} is an apocalyptic number.

112120221000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112120221000012 is an abundant number, since it is smaller than the sum of its proper divisors (149493628000044).

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

112120221000012 is a wasteful number, since it uses less digits than its factorization.

112120221000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343351750008 (or 9343351750006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112120221000012 its reverse (210000122021211), we get a palindrome (322120343021223).

The spelling of 112120221000012 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred twenty-one million, twelve", and thus it is an aban number.