4212212123 has 4 divisors (see below), whose sum is σ = 4813956720. Its totient is φ = 3610467528.

The previous prime is 4212212119. The next prime is 4212212129. The reversal of 4212212123 is 3212122124.

4212212123 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4212212123 - 2² = 4212212119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4212212095 and 4212212104.

It is not an unprimeable number, because it can be changed into a prime (4212212129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300872288 + ... + 300872301.

It is an arithmetic number, because the mean of its divisors is an integer number (1203489180).

Almost surely, 2^4212212123 is an apocalyptic number.

4212212123 is a deficient number, since it is larger than the sum of its proper divisors (601744597).

4212212123 is an equidigital number, since it uses as much as digits as its factorization.

4212212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601744596.

The product of its digits is 384, while the sum is 20.

The square root of 4212212123 is about 64901.5571693006. The cubic root of 4212212123 is about 1614.9908938835.

Adding to 4212212123 its reverse (3212122124), we get a palindrome (7424334247).

It can be divided in two parts, 42122 and 12123, that added together give a palindrome (54245).

The spelling of 4212212123 in words is "four billion, two hundred twelve million, two hundred twelve thousand, one hundred twenty-three".