3112000021020 has 192 divisors, whose sum is σ = 9924146749440. Its totient is φ = 721251590400.

The previous prime is 3112000021001. The next prime is 3112000021033. The reversal of 3112000021020 is 201200002113.

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 = 3112000020987 and 3112000021005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29989425 + ... + 30093015.

It is an arithmetic number, because the mean of its divisors is an integer number (51688264320).

Almost surely, 2^{3112000021020} is an apocalyptic number.

3112000021020 is a gapful number since it is divisible by the number (30) 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 3112000021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4962073374720).

3112000021020 is an abundant number, since it is smaller than the sum of its proper divisors (6812146728420).

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

3112000021020 is a wasteful number, since it uses less digits than its factorization.

3112000021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105616 (or 105614 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 3112000021020 its reverse (201200002113), we get a palindrome (3313200023133).

The spelling of 3112000021020 in words is "three trillion, one hundred twelve billion, twenty-one thousand, twenty".