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12100201100000 = 25551323499811
BaseRepresentation
bin1011000000010100110000…
…1100000011001011100000
31120211202201211010101101022
42300011030030003023200
53041222202440200000
641422431115225012
72356132156216256
oct260051414031340
946752654111338
1012100201100000
113945737084352
121435124a48168
1369a075a801c0
142db91d62a5d6
1515eb49b30585
hexb014c3032e0

12100201100000 has 576 divisors, whose sum is σ = 33568976448000. Its totient is φ = 4259692800000.

The previous prime is 12100201099963. The next prime is 12100201100021. The reversal of 12100201100000 is 110200121.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14920099595 + ... + 14920100405.

It is an arithmetic number, because the mean of its divisors is an integer number (58279473000).

Almost surely, 212100201100000 is an apocalyptic number.

12100201100000 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 12100201100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16784488224000).

12100201100000 is an abundant number, since it is smaller than the sum of its proper divisors (21468775348000).

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

12100201100000 is an equidigital number, since it uses as much as digits as its factorization.

12100201100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12100201100000 its reverse (110200121), we get a palindrome (12100311300121).

The spelling of 12100201100000 in words is "twelve trillion, one hundred billion, two hundred one million, one hundred thousand".