3212321121 has 12 divisors (see below), whose sum is σ = 4646274048. Its totient is φ = 2138660664.

The previous prime is 3212321117. The next prime is 3212321131. The reversal of 3212321121 is 1211232123.

3212321121 is a `hidden beast` number, since 321 + 2 + 321 + 1 + 21 = 666.

3212321121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3212321121 - 2² = 3212321117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3212321094 and 3212321103.

It is not an unprimeable number, because it can be changed into a prime (3212321131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233505 + ... + 246878.

It is an arithmetic number, because the mean of its divisors is an integer number (387189504).

Almost surely, 2^3212321121 is an apocalyptic number.

It is an amenable number.

3212321121 is a deficient number, since it is larger than the sum of its proper divisors (1433952927).

3212321121 is a wasteful number, since it uses less digits than its factorization.

3212321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481132 (or 481129 counting only the distinct ones).

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

The square root of 3212321121 is about 56677.3422189150. The cubic root of 3212321121 is about 1475.5014854798.

Adding to 3212321121 its reverse (1211232123), we get a palindrome (4423553244).

The spelling of 3212321121 in words is "three billion, two hundred twelve million, three hundred twenty-one thousand, one hundred twenty-one".