4111231212 has 144 divisors (see below), whose sum is σ = 11665049760. Its totient is φ = 1210060800.

The previous prime is 4111231211. The next prime is 4111231259. The reversal of 4111231212 is 2121321114.

4111231212 is a `hidden beast` number, since 411 + 1 + 231 + 21 + 2 = 666.

4111231212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4111231211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5081464 + ... + 5082272.

It is an arithmetic number, because the mean of its divisors is an integer number (81007290).

Almost surely, 2^4111231212 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 4111231212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5832524880).

4111231212 is an abundant number, since it is smaller than the sum of its proper divisors (7553818548).

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

4111231212 is a wasteful number, since it uses less digits than its factorization.

4111231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1179 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 4111231212 is about 64118.8834275832. The cubic root of 4111231212 is about 1601.9807775425.

Adding to 4111231212 its reverse (2121321114), we get a palindrome (6232552326).

The spelling of 4111231212 in words is "four billion, one hundred eleven million, two hundred thirty-one thousand, two hundred twelve".