12221111000010 has 128 divisors (see below), whose sum is σ = 33428168328960. Its totient is φ = 2832209408000.

The previous prime is 12221110999931. The next prime is 12221111000017. The reversal of 12221111000010 is 1000011112221.

It is a self number, because there is not a number n which added to its sum of digits gives 12221111000010.

It is not an unprimeable number, because it can be changed into a prime (12221111000017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5355327 + ... + 7288466.

It is an arithmetic number, because the mean of its divisors is an integer number (261157565070).

Almost surely, 2^{12221111000010} is an apocalyptic number.

12221111000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221111000010 is an abundant number, since it is smaller than the sum of its proper divisors (21207057328950).

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

12221111000010 is a wasteful number, since it uses less digits than its factorization.

12221111000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12643944.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12221111000010 its reverse (1000011112221), we get a palindrome (13221122112231).

The spelling of 12221111000010 in words is "twelve trillion, two hundred twenty-one billion, one hundred eleven million, ten", and thus it is an aban number.