4242123212 has 12 divisors (see below), whose sum is σ = 7452603480. Its totient is φ = 2112807936.

The previous prime is 4242123199. The next prime is 4242123229. The reversal of 4242123212 is 2123212424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062262 + ... + 2064317.

It is an arithmetic number, because the mean of its divisors is an integer number (621050290).

Almost surely, 2^4242123212 is an apocalyptic number.

It is an amenable number.

4242123212 is a deficient number, since it is larger than the sum of its proper divisors (3210480268).

4242123212 is a wasteful number, since it uses less digits than its factorization.

4242123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126840 (or 4126838 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 4242123212 is about 65131.5838284315. The cubic root of 4242123212 is about 1618.8045862801.

Adding to 4242123212 its reverse (2123212424), we get a palindrome (6365335636).

The spelling of 4242123212 in words is "four billion, two hundred forty-two million, one hundred twenty-three thousand, two hundred twelve".