4212240123 has 32 divisors (see below), whose sum is σ = 6995713536. Its totient is φ = 2195059968.

The previous prime is 4212240121. The next prime is 4212240133. The reversal of 4212240123 is 3210422124.

It is not a de Polignac number, because 4212240123 - 2¹ = 4212240121 is a prime.

It is a super-2 number, since 2×4212240123² = 35485933707622110258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 4212240123.

It is not an unprimeable number, because it can be changed into a prime (4212240121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70290 + ... + 115607.

It is an arithmetic number, because the mean of its divisors is an integer number (218616048).

Almost surely, 2^4212240123 is an apocalyptic number.

4212240123 is a deficient number, since it is larger than the sum of its proper divisors (2783473413).

4212240123 is a wasteful number, since it uses less digits than its factorization.

4212240123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186003.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4212240123 is about 64901.7728802534. The cubic root of 4212240123 is about 1614.9944723394.

Adding to 4212240123 its reverse (3210422124), we get a palindrome (7422662247).

The spelling of 4212240123 in words is "four billion, two hundred twelve million, two hundred forty thousand, one hundred twenty-three".