3512212005 has 16 divisors (see below), whose sum is σ = 5739105024. Its totient is φ = 1833324480.

The previous prime is 3512212001. The next prime is 3512212009. The reversal of 3512212005 is 5002122153.

It is an interprime number because it is at equal distance from previous prime (3512212001) and next prime (3512212009).

It is not a de Polignac number, because 3512212005 - 2² = 3512212001 is a prime.

It is a super-2 number, since 2×3512212005² = 24671266336132240050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3512212001) by changing a digit.

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, 2490226 + ... + 2491635.

It is an arithmetic number, because the mean of its divisors is an integer number (358694064).

Almost surely, 2^3512212005 is an apocalyptic number.

It is an amenable number.

3512212005 is a deficient number, since it is larger than the sum of its proper divisors (2226893019).

3512212005 is a wasteful number, since it uses less digits than its factorization.

3512212005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981916.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 3512212005 is about 59263.9182386720. The cubic root of 3512212005 is about 1520.0582856516.

Adding to 3512212005 its reverse (5002122153), we get a palindrome (8514334158).

It can be divided in two parts, 351 and 2212005, that added together give a triangular number (2212356 = T₂₁₀₃).

The spelling of 3512212005 in words is "three billion, five hundred twelve million, two hundred twelve thousand, five".