3012013021 has 2 divisors, whose sum is σ = 3012013022. Its totient is φ = 3012013020.

The previous prime is 3012013007. The next prime is 3012013033. The reversal of 3012013021 is 1203102103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1925980996 + 1086032025 = 43886^2 + 32955^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012013021 - 2⁵ = 3012012989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3012012992 and 3012013010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012013061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506006510 + 1506006511.

It is an arithmetic number, because the mean of its divisors is an integer number (1506006511).

Almost surely, 2^3012013021 is an apocalyptic number.

It is an amenable number.

3012013021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012013021 is an equidigital number, since it uses as much as digits as its factorization.

3012013021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3012013021 is about 54881.8095638254. The cubic root of 3012013021 is about 1444.1720924837.

Adding to 3012013021 its reverse (1203102103), we get a palindrome (4215115124).

The spelling of 3012013021 in words is "three billion, twelve million, thirteen thousand, twenty-one".