112021032420 has 144 divisors (see below), whose sum is σ = 375909206400. Its totient is φ = 26774092800.

The previous prime is 112021032391. The next prime is 112021032463. The reversal of 112021032420 is 24230120211.

It is a happy number.

112021032420 is a `hidden beast` number, since 1 + 1 + 2 + 0 + 210 + 32 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112021032393 and 112021032402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 257845 + ... + 539004.

It is an arithmetic number, because the mean of its divisors is an integer number (2610480600).

Almost surely, 2^112021032420 is an apocalyptic number.

112021032420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021032420 is an abundant number, since it is smaller than the sum of its proper divisors (263888173980).

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

112021032420 is a wasteful number, since it uses less digits than its factorization.

112021032420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796946 (or 796941 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 112021032420 its reverse (24230120211), we get a palindrome (136251152631).

The spelling of 112021032420 in words is "one hundred twelve billion, twenty-one million, thirty-two thousand, four hundred twenty".