4120123212 has 96 divisors (see below), whose sum is σ = 11059507200. Its totient is φ = 1325621376.

The previous prime is 4120123201. The next prime is 4120123243. The reversal of 4120123212 is 2123210214.

It is a happy number.

4120123212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4120123212² = 33950830564122393888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364989 + ... + 376107.

It is an arithmetic number, because the mean of its divisors is an integer number (115203200).

Almost surely, 2^4120123212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4120123212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5529753600).

4120123212 is an abundant number, since it is smaller than the sum of its proper divisors (6939383988).

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

4120123212 is a wasteful number, since it uses less digits than its factorization.

4120123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11252 (or 11244 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4120123212 is about 64188.1859223331. The cubic root of 4120123212 is about 1603.1348969807.

Adding to 4120123212 its reverse (2123210214), we get a palindrome (6243333426).

The spelling of 4120123212 in words is "four billion, one hundred twenty million, one hundred twenty-three thousand, two hundred twelve".