3231212099 has 4 divisors (see below), whose sum is σ = 3263204400. Its totient is φ = 3199219800.

The previous prime is 3231212077. The next prime is 3231212107. The reversal of 3231212099 is 9902121323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9902121323 = 617 ⋅16048819.

It is a cyclic number.

It is not a de Polignac number, because 3231212099 - 2⁸ = 3231211843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3231214099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15995999 + ... + 15996200.

It is an arithmetic number, because the mean of its divisors is an integer number (815801100).

Almost surely, 2^3231212099 is an apocalyptic number.

3231212099 is a deficient number, since it is larger than the sum of its proper divisors (31992301).

3231212099 is a wasteful number, since it uses less digits than its factorization.

3231212099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31992300.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 3231212099 is about 56843.7516267180. The cubic root of 3231212099 is about 1478.3882043732.

The spelling of 3231212099 in words is "three billion, two hundred thirty-one million, two hundred twelve thousand, ninety-nine".