3021321012 has 12 divisors (see below), whose sum is σ = 7049749056. Its totient is φ = 1007107000.

The previous prime is 3021321011. The next prime is 3021321013. The reversal of 3021321012 is 2101231203.

It is an interprime number because it is at equal distance from previous prime (3021321011) and next prime (3021321013).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3021320982 and 3021321000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021321011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125888364 + ... + 125888387.

It is an arithmetic number, because the mean of its divisors is an integer number (587479088).

Almost surely, 2^3021321012 is an apocalyptic number.

It is an amenable number.

3021321012 is an abundant number, since it is smaller than the sum of its proper divisors (4028428044).

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

3021321012 is a wasteful number, since it uses less digits than its factorization.

3021321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251776758 (or 251776756 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3021321012 is about 54966.5444793467. The cubic root of 3021321012 is about 1445.6581991243.

Adding to 3021321012 its reverse (2101231203), we get a palindrome (5122552215).

The spelling of 3021321012 in words is "three billion, twenty-one million, three hundred twenty-one thousand, twelve".