4012213305 has 16 divisors (see below), whose sum is σ = 6452132544. Its totient is φ = 2128983360.

The previous prime is 4012213273. The next prime is 4012213321. The reversal of 4012213305 is 5033122104.

4012213305 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4012213305 - 2⁵ = 4012213273 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675931 + ... + 681840.

It is an arithmetic number, because the mean of its divisors is an integer number (403258284).

Almost surely, 2^4012213305 is an apocalyptic number.

It is an amenable number.

4012213305 is a deficient number, since it is larger than the sum of its proper divisors (2439919239).

4012213305 is a wasteful number, since it uses less digits than its factorization.

4012213305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357976.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4012213305 is about 63342.0342663543. The cubic root of 4012213305 is about 1589.0150281828.

Adding to 4012213305 its reverse (5033122104), we get a palindrome (9045335409).

The spelling of 4012213305 in words is "four billion, twelve million, two hundred thirteen thousand, three hundred five".