4212120144 has 40 divisors (see below), whose sum is σ = 10884076192. Its totient is φ = 1403683200.

The previous prime is 4212120139. The next prime is 4212120149. The reversal of 4212120144 is 4410212124.

It is an interprime number because it is at equal distance from previous prime (4212120139) and next prime (4212120149).

It is a super-2 number, since 2×4212120144² = 35483912214981161472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4212120144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212120149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236247 + ... + 253449.

Almost surely, 2^4212120144 is an apocalyptic number.

It is an amenable number.

4212120144 is an abundant number, since it is smaller than the sum of its proper divisors (6671956048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4212120144 is a wasteful number, since it uses less digits than its factorization.

4212120144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22315 (or 22309 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4212120144 is about 64900.8485614788. The cubic root of 4212120144 is about 1614.9791386724.

Adding to 4212120144 its reverse (4410212124), we get a palindrome (8622332268).

The spelling of 4212120144 in words is "four billion, two hundred twelve million, one hundred twenty thousand, one hundred forty-four".