10001222080 has 112 divisors (see below), whose sum is σ = 24431451264. Its totient is φ = 3897492480.

The previous prime is 10001222051. The next prime is 10001222081. The reversal of 10001222080 is 8022210001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001222081) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7746235 + ... + 7747525.

Almost surely, 2^10001222080 is an apocalyptic number.

10001222080 is a gapful number since it is divisible by the number (10) 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 10001222080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12215725632).

10001222080 is an abundant number, since it is smaller than the sum of its proper divisors (14430229184).

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

10001222080 is a wasteful number, since it uses less digits than its factorization.

10001222080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10001222080 its reverse (8022210001), we get a palindrome (18023432081).

The spelling of 10001222080 in words is "ten billion, one million, two hundred twenty-two thousand, eighty".