2020103212120 has 256 divisors, whose sum is σ = 5461530624000. Its totient is φ = 657478964736.

The previous prime is 2020103212103. The next prime is 2020103212139. The reversal of 2020103212120 is 212123010202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2020103212094 and 2020103212103.

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, 1384579951 + ... + 1384581409.

It is an arithmetic number, because the mean of its divisors is an integer number (21334104000).

Almost surely, 2^{2020103212120} is an apocalyptic number.

2020103212120 is a gapful number since it is divisible by the number (20) 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 2020103212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2730765312000).

2020103212120 is an abundant number, since it is smaller than the sum of its proper divisors (3441427411880).

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

2020103212120 is a wasteful number, since it uses less digits than its factorization.

2020103212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2020103212120 its reverse (212123010202), we get a palindrome (2232226222322).

The spelling of 2020103212120 in words is "two trillion, twenty billion, one hundred three million, two hundred twelve thousand, one hundred twenty".