112321020012 has 48 divisors (see below), whose sum is σ = 262820121312. Its totient is φ = 37335029760.

The previous prime is 112321019981. The next prime is 112321020029. The reversal of 112321020012 is 210020123211.

It is a super-2 number, since 2×112321020012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112321019973 and 112321020000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18371068 + ... + 18377180.

It is an arithmetic number, because the mean of its divisors is an integer number (5475419194).

Almost surely, 2^112321020012 is an apocalyptic number.

112321020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112321020012 is an abundant number, since it is smaller than the sum of its proper divisors (150499101300).

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

112321020012 is a wasteful number, since it uses less digits than its factorization.

112321020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178 (or 10176 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 112321020012 its reverse (210020123211), we get a palindrome (322341143223).

The spelling of 112321020012 in words is "one hundred twelve billion, three hundred twenty-one million, twenty thousand, twelve".