12100221112210 has 32 divisors (see below), whose sum is σ = 27154781926272. Its totient is φ = 3771497489280.

The previous prime is 12100221112171. The next prime is 12100221112223. The reversal of 12100221112210 is 1221112200121.

It is a super-2 number, since 2×12100221112210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7857285667 + ... + 7857287206.

It is an arithmetic number, because the mean of its divisors is an integer number (848586935196).

Almost surely, 2^{12100221112210} is an apocalyptic number.

12100221112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100221112210 is an abundant number, since it is smaller than the sum of its proper divisors (15054560814062).

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

12100221112210 is a wasteful number, since it uses less digits than its factorization.

12100221112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15714572898.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12100221112210 its reverse (1221112200121), we get a palindrome (13321333312331).

It can be divided in two parts, 1210022 and 1112210, that added together give a palindrome (2322232).

The spelling of 12100221112210 in words is "twelve trillion, one hundred billion, two hundred twenty-one million, one hundred twelve thousand, two hundred ten".