4212120412 has 24 divisors (see below), whose sum is σ = 8009469440. Its totient is φ = 1930852080.

The previous prime is 4212120403. The next prime is 4212120461. The reversal of 4212120412 is 2140212124.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 4212120412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891558 + ... + 896269.

Almost surely, 2^4212120412 is an apocalyptic number.

It is an amenable number.

4212120412 is a deficient number, since it is larger than the sum of its proper divisors (3797349028).

4212120412 is a wasteful number, since it uses less digits than its factorization.

4212120412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787881 (or 1787879 counting only the distinct ones).

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

The square root of 4212120412 is about 64900.8506261667. The cubic root of 4212120412 is about 1614.9791729239.

Adding to 4212120412 its reverse (2140212124), we get a palindrome (6352332536).

The spelling of 4212120412 in words is "four billion, two hundred twelve million, one hundred twenty thousand, four hundred twelve".