5012221000 has 96 divisors (see below), whose sum is σ = 11988732600. Its totient is φ = 1961366400.

The previous prime is 5012220979. The next prime is 5012221007. The reversal of 5012221000 is 1222105.

It can be written as a sum of positive squares in 4 ways, for example, as 393387556 + 4618833444 = 19834^2 + 67962^2 .

It is not an unprimeable number, because it can be changed into a prime (5012221007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2207866 + ... + 2210134.

Almost surely, 2^5012221000 is an apocalyptic number.

5012221000 is a gapful number since it is divisible by the number (50) 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 5012221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5994366300).

5012221000 is an abundant number, since it is smaller than the sum of its proper divisors (6976511600).

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

5012221000 is a wasteful number, since it uses less digits than its factorization.

5012221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384 (or 2323 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 5012221000 is about 70797.0408986138. The cubic root of 5012221000 is about 1711.3679875528.

Adding to 5012221000 its reverse (1222105), we get a palindrome (5013443105).

The spelling of 5012221000 in words is "five billion, twelve million, two hundred twenty-one thousand".