12100221060 has 192 divisors, whose sum is σ = 36288000000. Its totient is φ = 3003872256.

The previous prime is 12100221047. The next prime is 12100221061. The reversal of 12100221060 is 6012200121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12100221061) 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, 24248691 + ... + 24249189.

It is an arithmetic number, because the mean of its divisors is an integer number (189000000).

Almost surely, 2^12100221060 is an apocalyptic number.

12100221060 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 12100221060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18144000000).

12100221060 is an abundant number, since it is smaller than the sum of its proper divisors (24187778940).

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

12100221060 is a wasteful number, since it uses less digits than its factorization.

12100221060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12100221060 its reverse (6012200121), we get a palindrome (18112421181).

The spelling of 12100221060 in words is "twelve billion, one hundred million, two hundred twenty-one thousand, sixty".