12220100010 has 24 divisors (see below), whose sum is σ = 31772260260. Its totient is φ = 3258693312.

The previous prime is 12220100003. The next prime is 12220100023. The reversal of 12220100010 is 1000102221.

It can be written as a sum of positive squares in 2 ways, for example, as 12174253569 + 45846441 = 110337^2 + 6771^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12220099965 and 12220100001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67889355 + ... + 67889534.

Almost surely, 2^12220100010 is an apocalyptic number.

12220100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220100010 is an abundant number, since it is smaller than the sum of its proper divisors (19552160250).

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

12220100010 is a wasteful number, since it uses less digits than its factorization.

12220100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135778902 (or 135778899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12220100010 its reverse (1000102221), we get a palindrome (13220202231).

The spelling of 12220100010 in words is "twelve billion, two hundred twenty million, one hundred thousand, ten".