3012132321 has 24 divisors (see below), whose sum is σ = 4748137056. Its totient is φ = 1824863040.

The previous prime is 3012132317. The next prime is 3012132323. The reversal of 3012132321 is 1232312103.

3012132321 is a `hidden beast` number, since 301 + 21 + 323 + 21 = 666.

It is not a de Polignac number, because 3012132321 - 2² = 3012132317 is a prime.

It is a super-2 number, since 2×3012132321² = 18145882238425694082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3012132294 and 3012132303.

It is not an unprimeable number, because it can be changed into a prime (3012132323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456381 + ... + 462933.

It is an arithmetic number, because the mean of its divisors is an integer number (197839044).

Almost surely, 2^3012132321 is an apocalyptic number.

It is an amenable number.

3012132321 is a deficient number, since it is larger than the sum of its proper divisors (1736004735).

3012132321 is a wasteful number, since it uses less digits than its factorization.

3012132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11213 (or 11210 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3012132321 is about 54882.8964341351. The cubic root of 3012132321 is about 1444.1911591848.

Adding to 3012132321 its reverse (1232312103), we get a palindrome (4244444424).

The spelling of 3012132321 in words is "three billion, twelve million, one hundred thirty-two thousand, three hundred twenty-one".