1111234212 has 72 divisors (see below), whose sum is σ = 3101323680. Its totient is φ = 332670720.

The previous prime is 1111234177. The next prime is 1111234253. The reversal of 1111234212 is 2124321111.

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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15964 + ... + 49772.

It is an arithmetic number, because the mean of its divisors is an integer number (43073940).

Almost surely, 2^1111234212 is an apocalyptic number.

1111234212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111234212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550661840).

1111234212 is an abundant number, since it is smaller than the sum of its proper divisors (1990089468).

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

1111234212 is a wasteful number, since it uses less digits than its factorization.

1111234212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33913 (or 33908 counting only the distinct ones).

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

The square root of 1111234212 is about 33335.1797955253. The cubic root of 1111234212 is about 1035.7824175471.

Adding to 1111234212 its reverse (2124321111), we get a palindrome (3235555323).

The spelling of 1111234212 in words is "one billion, one hundred eleven million, two hundred thirty-four thousand, two hundred twelve".