3212200112020 has 24 divisors (see below), whose sum is σ = 6745733492904. Its totient is φ = 1284858471936.

The previous prime is 3212200112003. The next prime is 3212200112021. The reversal of 3212200112020 is 202110022123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 333734979204 + 2878465132816 = 577698^2 + 1696604^2 .

It is a super-2 number, since 2×3212200112020² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3212200111985 and 3212200112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212200112021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99097 + ... + 2536576.

It is an arithmetic number, because the mean of its divisors is an integer number (281072228871).

Almost surely, 2^{3212200112020} is an apocalyptic number.

It is an amenable number.

3212200112020 is an abundant number, since it is smaller than the sum of its proper divisors (3533533380884).

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

3212200112020 is a wasteful number, since it uses less digits than its factorization.

3212200112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696619 (or 2696617 counting only the distinct ones).

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

Adding to 3212200112020 its reverse (202110022123), we get a palindrome (3414310134143).

The spelling of 3212200112020 in words is "three trillion, two hundred twelve billion, two hundred million, one hundred twelve thousand, twenty".