4021011312 has 40 divisors (see below), whose sum is σ = 10407615120. Its totient is φ = 1337756160.

The previous prime is 4021011307. The next prime is 4021011329. The reversal of 4021011312 is 2131101204.

It is a super-2 number, since 2×4021011312² = 32337063942463922688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021011291 and 4021011300.

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, 55387 + ... + 105402.

It is an arithmetic number, because the mean of its divisors is an integer number (260190378).

Almost surely, 2^4021011312 is an apocalyptic number.

It is an amenable number.

4021011312 is an abundant number, since it is smaller than the sum of its proper divisors (6386603808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021011312 is a wasteful number, since it uses less digits than its factorization.

4021011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161321 (or 161315 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 4021011312 is about 63411.4446452689. Note that the first 3 decimals coincide. The cubic root of 4021011312 is about 1590.1756476972.

Adding to 4021011312 its reverse (2131101204), we get a palindrome (6152112516).

The spelling of 4021011312 in words is "four billion, twenty-one million, eleven thousand, three hundred twelve".