2211023412 has 96 divisors (see below), whose sum is σ = 6183878400. Its totient is φ = 679142016.

The previous prime is 2211023363. The next prime is 2211023431. The reversal of 2211023412 is 2143201122.

It is a happy number.

2211023412 is a `hidden beast` number, since 221 + 10 + 23 + 412 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1177018 + ... + 1178894.

It is an arithmetic number, because the mean of its divisors is an integer number (64415400).

Almost surely, 2^2211023412 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 2211023412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3091939200).

2211023412 is an abundant number, since it is smaller than the sum of its proper divisors (3972854988).

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

2211023412 is a wasteful number, since it uses less digits than its factorization.

2211023412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 2734 counting only the distinct ones).

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

The square root of 2211023412 is about 47021.5207325327. The cubic root of 2211023412 is about 1302.7600947325.

Adding to 2211023412 its reverse (2143201122), we get a palindrome (4354224534).

The spelling of 2211023412 in words is "two billion, two hundred eleven million, twenty-three thousand, four hundred twelve".