4321012 has 12 divisors (see below), whose sum is σ = 7583940. Its totient is φ = 2154176.

The previous prime is 4321003. The next prime is 4321019. The reversal of 4321012 is 2101234.

4321012 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 839056 + 3481956 = 916^2 + 1866^2 .

It is a super-2 number, since 2×4321012² = 37342289408288, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4320983 and 4321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168 + ... + 2944.

It is an arithmetic number, because the mean of its divisors is an integer number (631995).

Almost surely, 2^4321012 is an apocalyptic number.

It is an amenable number.

4321012 is a deficient number, since it is larger than the sum of its proper divisors (3262928).

4321012 is a wasteful number, since it uses less digits than its factorization.

4321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170 (or 3168 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4321012 is about 2078.7044041903. The cubic root of 4321012 is about 162.8777735520.

Adding to 4321012 its reverse (2101234), we get a palindrome (6422246).

It can be divided in two parts, 432 and 1012, that added together give a square (1444 = 38²).

The spelling of 4321012 in words is "four million, three hundred twenty-one thousand, twelve".