4000331212 has 48 divisors (see below), whose sum is σ = 7804419840. Its totient is φ = 1785402432.

The previous prime is 4000331177. The next prime is 4000331213. The reversal of 4000331212 is 2121330004.

It is a happy number.

It is a super-3 number, since 3×4000331212³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4000331213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100038 + ... + 134194.

It is an arithmetic number, because the mean of its divisors is an integer number (162592080).

Almost surely, 2^4000331212 is an apocalyptic number.

It is an amenable number.

4000331212 is a deficient number, since it is larger than the sum of its proper divisors (3804088628).

4000331212 is a wasteful number, since it uses less digits than its factorization.

4000331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34270 (or 34268 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4000331212 is about 63248.1716099367. The cubic root of 4000331212 is about 1587.4448646154. Note that the first 3 decimals are identical.

Adding to 4000331212 its reverse (2121330004), we get a palindrome (6121661216).

The spelling of 4000331212 in words is "four billion, three hundred thirty-one thousand, two hundred twelve".