3212021020 has 24 divisors (see below), whose sum is σ = 7264109664. Its totient is φ = 1185976896.

The previous prime is 3212020993. The next prime is 3212021077. The reversal of 3212021020 is 201202123.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6176704 + ... + 6177223.

It is an arithmetic number, because the mean of its divisors is an integer number (302671236).

Almost surely, 2^3212021020 is an apocalyptic number.

It is an amenable number.

3212021020 is an abundant number, since it is smaller than the sum of its proper divisors (4052088644).

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

3212021020 is a wasteful number, since it uses less digits than its factorization.

3212021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12353949 (or 12353947 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3212021020 is about 56674.6947058385. The cubic root of 3212021020 is about 1475.4555360199.

Adding to 3212021020 its reverse (201202123), we get a palindrome (3413223143).

The spelling of 3212021020 in words is "three billion, two hundred twelve million, twenty-one thousand, twenty".