112021354512 has 160 divisors (see below), whose sum is σ = 341621884800. Its totient is φ = 35078303232.

The previous prime is 112021354499. The next prime is 112021354559. The reversal of 112021354512 is 215453120211.

It is a happy number.

112021354512 is a `hidden beast` number, since 1 + 1 + 202 + 1 + 3 + 5 + 451 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 342703 + ... + 584369.

It is an arithmetic number, because the mean of its divisors is an integer number (2135136780).

Almost surely, 2^112021354512 is an apocalyptic number.

112021354512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112021354512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170810942400).

112021354512 is an abundant number, since it is smaller than the sum of its proper divisors (229600530288).

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

112021354512 is a wasteful number, since it uses less digits than its factorization.

112021354512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241750 (or 241738 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 112021354512 its reverse (215453120211), we get a palindrome (327474474723).

The spelling of 112021354512 in words is "one hundred twelve billion, twenty-one million, three hundred fifty-four thousand, five hundred twelve".