8820481212 has 144 divisors (see below), whose sum is σ = 24625665792. Its totient is φ = 2649784320.

The previous prime is 8820481199. The next prime is 8820481231. The reversal of 8820481212 is 2121840288.

It is a super-2 number, since 2×8820481212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1837888 + ... + 1842680.

It is an arithmetic number, because the mean of its divisors is an integer number (171011568).

Almost surely, 2^8820481212 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 8820481212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12312832896).

8820481212 is an abundant number, since it is smaller than the sum of its proper divisors (15805184580).

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

8820481212 is a wasteful number, since it uses less digits than its factorization.

8820481212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 8820481212 is about 93917.4169789608. The cubic root of 8820481212 is about 2066.1606829397.

The spelling of 8820481212 in words is "eight billion, eight hundred twenty million, four hundred eighty-one thousand, two hundred twelve".