1011124212 has 96 divisors (see below), whose sum is σ = 2769715200. Its totient is φ = 286967520.

The previous prime is 1011124201. The next prime is 1011124243. The reversal of 1011124212 is 2124211101.

1011124212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1011124191 and 1011124200.

It is a congruent number.

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, 686637 + ... + 688107.

It is an arithmetic number, because the mean of its divisors is an integer number (28851200).

Almost surely, 2^1011124212 is an apocalyptic number.

1011124212 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 1011124212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384857600).

1011124212 is an abundant number, since it is smaller than the sum of its proper divisors (1758590988).

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

1011124212 is a wasteful number, since it uses less digits than its factorization.

1011124212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1011124212 is about 31798.1793818451. The cubic root of 1011124212 is about 1003.6944052288.

Adding to 1011124212 its reverse (2124211101), we get a palindrome (3135335313).

The spelling of 1011124212 in words is "one billion, eleven million, one hundred twenty-four thousand, two hundred twelve".