3212132121 has 48 divisors (see below), whose sum is σ = 5242228992. Its totient is φ = 1878357600.

The previous prime is 3212132111. The next prime is 3212132129. The reversal of 3212132121 is 1212312123.

3212132121 is a `hidden beast` number, since 321 + 2 + 1 + 321 + 21 = 666.

It is not a de Polignac number, because 3212132121 - 2¹⁸ = 3211869977 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3212132094 and 3212132103.

It is not an unprimeable number, because it can be changed into a prime (3212132129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348786 + ... + 357876.

It is an arithmetic number, because the mean of its divisors is an integer number (109213104).

Almost surely, 2^3212132121 is an apocalyptic number.

It is an amenable number.

3212132121 is a deficient number, since it is larger than the sum of its proper divisors (2030096871).

3212132121 is a wasteful number, since it uses less digits than its factorization.

3212132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234 (or 9231 counting only the distinct ones).

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

The square root of 3212132121 is about 56675.6748614430. The cubic root of 3212132121 is about 1475.4725473963.

Adding to 3212132121 its reverse (1212312123), we get a palindrome (4424444244).

The spelling of 3212132121 in words is "three billion, two hundred twelve million, one hundred thirty-two thousand, one hundred twenty-one".