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12100220211200 = 212521129370427
BaseRepresentation
bin1011000000010100110101…
…0100111101000000000000
31120211202210011002100000112
42300011031110331000000
53041222222333224300
641422433041010452
72356132510524122
oct260051524750000
946752704070015
1012100220211200
113945746947930
12143512b323a28
1369a079a11bc4
142db921da3212
1515eb4b657e35
hexb014d53d000

12100220211200 has 312 divisors, whose sum is σ = 33861401347680. Its totient is φ = 4248341708800.

The previous prime is 12100220211199. The next prime is 12100220211239. The reversal of 12100220211200 is 211202200121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32480387 + ... + 32850813.

Almost surely, 212100220211200 is an apocalyptic number.

12100220211200 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 12100220211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16930700673840).

12100220211200 is an abundant number, since it is smaller than the sum of its proper divisors (21761181136480).

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

12100220211200 is a wasteful number, since it uses less digits than its factorization.

12100220211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370501 (or 370474 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12100220211200 its reverse (211202200121), we get a palindrome (12311422411321).

The spelling of 12100220211200 in words is "twelve trillion, one hundred billion, two hundred twenty million, two hundred eleven thousand, two hundred".