2012112020 has 12 divisors (see below), whose sum is σ = 4225435284. Its totient is φ = 804844800.

The previous prime is 2012112007. The next prime is 2012112073. The reversal of 2012112020 is 202112102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1556460304 + 455651716 = 39452^2 + 21346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2012111992 and 2012112010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50302781 + ... + 50302820.

It is an arithmetic number, because the mean of its divisors is an integer number (352119607).

Almost surely, 2^2012112020 is an apocalyptic number.

2012112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012112020 is an abundant number, since it is smaller than the sum of its proper divisors (2213323264).

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

2012112020 is a wasteful number, since it uses less digits than its factorization.

2012112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100605610 (or 100605608 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2012112020 is about 44856.5716478645. The cubic root of 2012112020 is about 1262.4592977108.

Adding to 2012112020 its reverse (202112102), we get a palindrome (2214224122).

The spelling of 2012112020 in words is "two billion, twelve million, one hundred twelve thousand, twenty".