3212021020312 has 128 divisors (see below), whose sum is σ = 6809951232000. Its totient is φ = 1409996689920.

The previous prime is 3212021020279. The next prime is 3212021020349. The reversal of 3212021020312 is 2130201202123.

It is a super-2 number, since 2×3212021020312² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3212021020312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105535737 + ... + 105566167.

It is an arithmetic number, because the mean of its divisors is an integer number (53202744000).

Almost surely, 2^{3212021020312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3212021020312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3404975616000).

3212021020312 is an abundant number, since it is smaller than the sum of its proper divisors (3597930211688).

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

3212021020312 is a wasteful number, since it uses less digits than its factorization.

3212021020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31001 (or 30997 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3212021020312 its reverse (2130201202123), we get a palindrome (5342222222435).

The spelling of 3212021020312 in words is "three trillion, two hundred twelve billion, twenty-one million, twenty thousand, three hundred twelve".