112120010001998 has 4 divisors (see below), whose sum is σ = 168180015003000. Its totient is φ = 56060005000998.

The previous prime is 112120010001991. The next prime is 112120010002061. The reversal of 112120010001998 is 899100010021211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120010001991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030002500498 + ... + 28030002500501.

It is an arithmetic number, because the mean of its divisors is an integer number (42045003750750).

Almost surely, 2^{112120010001998} is an apocalyptic number.

112120010001998 is a deficient number, since it is larger than the sum of its proper divisors (56060005001002).

112120010001998 is an equidigital number, since it uses as much as digits as its factorization.

112120010001998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56060005001001.

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 112120010001998 in words is "one hundred twelve trillion, one hundred twenty billion, ten million, one thousand, nine hundred ninety-eight".