4012421212 has 12 divisors (see below), whose sum is σ = 7192999296. Its totient is φ = 1957278560.

The previous prime is 4012421183. The next prime is 4012421221. The reversal of 4012421212 is 2121242104.

4012421212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4012421212.

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, 12232828 + ... + 12233155.

It is an arithmetic number, because the mean of its divisors is an integer number (599416608).

Almost surely, 2^4012421212 is an apocalyptic number.

It is an amenable number.

4012421212 is a deficient number, since it is larger than the sum of its proper divisors (3180578084).

4012421212 is a wasteful number, since it uses less digits than its factorization.

4012421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24466028 (or 24466026 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4012421212 is about 63343.6753906813. The cubic root of 4012421212 is about 1589.0424745170.

Adding to 4012421212 its reverse (2121242104), we get a palindrome (6133663316).

The spelling of 4012421212 in words is "four billion, twelve million, four hundred twenty-one thousand, two hundred twelve".