3020321012 has 6 divisors (see below), whose sum is σ = 5285561778. Its totient is φ = 1510160504.

The previous prime is 3020321011. The next prime is 3020321023. The reversal of 3020321012 is 2101230203.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3015767056 + 4553956 = 54916^2 + 2134^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020321011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377540123 + ... + 377540130.

It is an arithmetic number, because the mean of its divisors is an integer number (880926963).

Almost surely, 2^3020321012 is an apocalyptic number.

It is an amenable number.

3020321012 is a deficient number, since it is larger than the sum of its proper divisors (2265240766).

3020321012 is a wasteful number, since it uses less digits than its factorization.

3020321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755080257 (or 755080255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3020321012 is about 54957.4472842398. The cubic root of 3020321012 is about 1445.4986863684.

Adding to 3020321012 its reverse (2101230203), we get a palindrome (5121551215).

It can be divided in two parts, 30203 and 21012, that added together give a palindrome (51215).

The spelling of 3020321012 in words is "three billion, twenty million, three hundred twenty-one thousand, twelve".