3231212005 has 16 divisors (see below), whose sum is σ = 4460730624. Its totient is φ = 2201011200.

The previous prime is 3231211853. The next prime is 3231212021. The reversal of 3231212005 is 5002121323.

It is not a de Polignac number, because 3231212005 - 2¹³ = 3231203813 is a prime.

It is a super-2 number, since 2×3231212005² = 20881462042512240050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300412 + ... + 310981.

It is an arithmetic number, because the mean of its divisors is an integer number (278795664).

Almost surely, 2^3231212005 is an apocalyptic number.

3231212005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3231212005 is a deficient number, since it is larger than the sum of its proper divisors (1229518619).

3231212005 is a wasteful number, since it uses less digits than its factorization.

3231212005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611556.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3231212005 is about 56843.7507998900. The cubic root of 3231212005 is about 1478.3881900372.

Adding to 3231212005 its reverse (5002121323), we get a palindrome (8233333328).

The spelling of 3231212005 in words is "three billion, two hundred thirty-one million, two hundred twelve thousand, five".