3012300121221 has 6 divisors (see below), whose sum is σ = 4351100175110. Its totient is φ = 2008200080808.

The previous prime is 3012300121189. The next prime is 3012300121253. The reversal of 3012300121221 is 1221210032103.

3012300121221 is a `hidden beast` number, since 301 + 23 + 0 + 0 + 121 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (3012300121189) and next prime (3012300121253).

It can be written as a sum of positive squares in only one way, i.e., 2652048077121 + 360252044100 = 1628511^2 + 600210^2 .

It is not a de Polignac number, because 3012300121221 - 2⁵ = 3012300121189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3012300121194 and 3012300121203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012300121421) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 167350006726 + ... + 167350006743.

Almost surely, 2^{3012300121221} is an apocalyptic number.

It is an amenable number.

3012300121221 is a deficient number, since it is larger than the sum of its proper divisors (1338800053889).

3012300121221 is a wasteful number, since it uses less digits than its factorization.

3012300121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334700013475 (or 334700013472 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3012300121221 its reverse (1221210032103), we get a palindrome (4233510153324).

The spelling of 3012300121221 in words is "three trillion, twelve billion, three hundred million, one hundred twenty-one thousand, two hundred twenty-one".