3012212100321 has 32 divisors (see below), whose sum is σ = 4509069438720. Its totient is φ = 1987206400512.

The previous prime is 3012212100311. The next prime is 3012212100329. The reversal of 3012212100321 is 1230012122103.

3012212100321 is a `hidden beast` number, since 30 + 1 + 2 + 212 + 100 + 321 = 666.

It is not a de Polignac number, because 3012212100321 - 2²² = 3012207906017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3012212100294 and 3012212100303.

It is not an unprimeable number, because it can be changed into a prime (3012212100329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23961396 + ... + 24086778.

It is an arithmetic number, because the mean of its divisors is an integer number (140908419960).

Almost surely, 2^{3012212100321} is an apocalyptic number.

It is an amenable number.

3012212100321 is a deficient number, since it is larger than the sum of its proper divisors (1496857338399).

3012212100321 is a wasteful number, since it uses less digits than its factorization.

3012212100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134662 (or 134656 counting only the distinct ones).

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

Adding to 3012212100321 its reverse (1230012122103), we get a palindrome (4242224222424).

The spelling of 3012212100321 in words is "three trillion, twelve billion, two hundred twelve million, one hundred thousand, three hundred twenty-one".