3221011001232 has 60 divisors (see below), whose sum is σ = 9103608279324. Its totient is φ = 1063039929600.

The previous prime is 3221011001231. The next prime is 3221011001237. The reversal of 3221011001232 is 2321001101223.

3221011001232 is a `hidden beast` number, since 322 + 1 + 0 + 110 + 0 + 1 + 232 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2171214038016 + 1049796963216 = 1473504^2 + 1024596^2 .

It is a super-2 number, since 2×3221011001232² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3221011001231) 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, 110718783 + ... + 110747870.

Almost surely, 2^{3221011001232} is an apocalyptic number.

It is an amenable number.

3221011001232 is an abundant number, since it is smaller than the sum of its proper divisors (5882597278092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221011001232 is a wasteful number, since it uses less digits than its factorization.

3221011001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221466768 (or 221466759 counting only the distinct ones).

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

Adding to 3221011001232 its reverse (2321001101223), we get a palindrome (5542012102455).

Subtracting from 3221011001232 its reverse (2321001101223), we obtain a palindrome (900009900009).

The spelling of 3221011001232 in words is "three trillion, two hundred twenty-one billion, eleven million, one thousand, two hundred thirty-two".