12100221010 has 32 divisors (see below), whose sum is σ = 22491228672. Its totient is φ = 4682240640.

The previous prime is 12100220999. The next prime is 12100221043. The reversal of 12100221010 is 1012200121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133317 + ... + 1143943.

It is an arithmetic number, because the mean of its divisors is an integer number (702850896).

Almost surely, 2^12100221010 is an apocalyptic number.

12100221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100221010 is a deficient number, since it is larger than the sum of its proper divisors (10391007662).

12100221010 is a wasteful number, since it uses less digits than its factorization.

12100221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14338.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12100221010 its reverse (1012200121), we get a palindrome (13112421131).

The spelling of 12100221010 in words is "twelve billion, one hundred million, two hundred twenty-one thousand, ten".