112012111020 has 48 divisors (see below), whose sum is σ = 313736290560. Its totient is φ = 29860145856.

The previous prime is 112012110989. The next prime is 112012111027. The reversal of 112012111020 is 20111210211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112012110987 and 112012111005.

It is not an unprimeable number, because it can be changed into a prime (112012111027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118422 + ... + 487901.

It is an arithmetic number, because the mean of its divisors is an integer number (6536172720).

Almost surely, 2^112012111020 is an apocalyptic number.

112012111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112012111020 is an abundant number, since it is smaller than the sum of its proper divisors (201724179540).

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

112012111020 is a wasteful number, since it uses less digits than its factorization.

112012111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609414 (or 609412 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112012111020 its reverse (20111210211), we get a palindrome (132123321231).

The spelling of 112012111020 in words is "one hundred twelve billion, twelve million, one hundred eleven thousand, twenty".