3212112100 has 18 divisors (see below), whose sum is σ = 6970283474. Its totient is φ = 1284844800.

The previous prime is 3212112061. The next prime is 3212112103. The reversal of 3212112100 is 12112123.

It can be written as a sum of positive squares in 3 ways, for example, as 100480576 + 3111631524 = 10024^2 + 55782^2 .

It is not an unprimeable number, because it can be changed into a prime (3212112103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16060461 + ... + 16060660.

Almost surely, 2^3212112100 is an apocalyptic number.

It is an amenable number.

3212112100 is an abundant number, since it is smaller than the sum of its proper divisors (3758171374).

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

3212112100 is a wasteful number, since it uses less digits than its factorization.

3212112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32121135 (or 32121128 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3212112100 is about 56675.4982333636. The cubic root of 3212112100 is about 1475.4694818834.

Adding to 3212112100 its reverse (12112123), we get a palindrome (3224224223).

The spelling of 3212112100 in words is "three billion, two hundred twelve million, one hundred twelve thousand, one hundred".