4000213912 has 32 divisors (see below), whose sum is σ = 7829902080. Its totient is φ = 1912315680.

The previous prime is 4000213871. The next prime is 4000213949. The reversal of 4000213912 is 2193120004.

It is a super-2 number, since 2×4000213912² = 32003422683516687488, 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733837 + ... + 739267.

It is an arithmetic number, because the mean of its divisors is an integer number (244684440).

Almost surely, 2^4000213912 is an apocalyptic number.

It is an amenable number.

4000213912 is a deficient number, since it is larger than the sum of its proper divisors (3829688168).

4000213912 is a wasteful number, since it uses less digits than its factorization.

4000213912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463 (or 9459 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4000213912 is about 63247.2443036058. The cubic root of 4000213912 is about 1587.4293484749.

Adding to 4000213912 its reverse (2193120004), we get a palindrome (6193333916).

The spelling of 4000213912 in words is "four billion, two hundred thirteen thousand, nine hundred twelve".