2012112120020 has 48 divisors (see below), whose sum is σ = 4230692363520. Its totient is φ = 803844126336.

The previous prime is 2012112119989. The next prime is 2012112120049. The reversal of 2012112120020 is 200212112102.

It is a junction number, because it is equal to n+sod(n) for n = 2012112119977 and 2012112120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59987174 + ... + 60020706.

It is an arithmetic number, because the mean of its divisors is an integer number (88139424240).

Almost surely, 2^{2012112120020} is an apocalyptic number.

2012112120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012112120020 is an abundant number, since it is smaller than the sum of its proper divisors (2218580243500).

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

2012112120020 is a wasteful number, since it uses less digits than its factorization.

2012112120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37184 (or 37182 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012112120020 its reverse (200212112102), we get a palindrome (2212324232122).

The spelling of 2012112120020 in words is "two trillion, twelve billion, one hundred twelve million, one hundred twenty thousand, twenty".