4012120412 has 12 divisors (see below), whose sum is σ = 7033685736. Its totient is φ = 2002495920.

The previous prime is 4012120393. The next prime is 4012120451. The reversal of 4012120412 is 2140212104.

4012120412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4012120412² = 32194220400774099488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888539 + ... + 893042.

It is an arithmetic number, because the mean of its divisors is an integer number (586140478).

Almost surely, 2^4012120412 is an apocalyptic number.

It is an amenable number.

4012120412 is a deficient number, since it is larger than the sum of its proper divisors (3021565324).

4012120412 is a wasteful number, since it uses less digits than its factorization.

4012120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782148 (or 1782146 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4012120412 is about 63341.3009970588. The cubic root of 4012120412 is about 1589.0027648342.

Adding to 4012120412 its reverse (2140212104), we get a palindrome (6152332516).

The spelling of 4012120412 in words is "four billion, twelve million, one hundred twenty thousand, four hundred twelve".