112100021220012 has 96 divisors (see below), whose sum is σ = 300477807759360. Its totient is φ = 31863524696640.

The previous prime is 112100021219971. The next prime is 112100021220059. The reversal of 112100021220012 is 210022120001211.

It is a junction number, because it is equal to n+sod(n) for n = 112100021219973 and 112100021220000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8415687 + ... + 17176257.

It is an arithmetic number, because the mean of its divisors is an integer number (3129977164160).

Almost surely, 2^{112100021220012} is an apocalyptic number.

112100021220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112100021220012 is an abundant number, since it is smaller than the sum of its proper divisors (188377786539348).

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

112100021220012 is a wasteful number, since it uses less digits than its factorization.

112100021220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761371 (or 8761369 counting only the distinct ones).

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

Adding to 112100021220012 its reverse (210022120001211), we get a palindrome (322122141221223).

The spelling of 112100021220012 in words is "one hundred twelve trillion, one hundred billion, twenty-one million, two hundred twenty thousand, twelve".