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12100010100200 = 235211101113547881
BaseRepresentation
bin1011000000010100000011…
…0011011100010111101000
31120211202020111201120220122
42300011000303130113220
53041221310041201300
641422400133342412
72356124346565451
oct260050063342750
946752214646818
1012100010100200
113945649289380
121435090a97a08
1369a045327679
142db90210c128
1515eb37ea2c85
hexb0140cdc5e8

12100010100200 has 384 divisors, whose sum is σ = 31360889024640. Its totient is φ = 4305100800000.

The previous prime is 12100010100181. The next prime is 12100010100253. The reversal of 12100010100200 is 200101000121.

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

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, 13734403760 + ... + 13734404640.

It is an arithmetic number, because the mean of its divisors is an integer number (81668981835).

Almost surely, 212100010100200 is an apocalyptic number.

12100010100200 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 12100010100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15680444512320).

12100010100200 is an abundant number, since it is smaller than the sum of its proper divisors (19260878924440).

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

12100010100200 is a wasteful number, since it uses less digits than its factorization.

12100010100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1660 counting only the distinct ones).

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

Adding to 12100010100200 its reverse (200101000121), we get a palindrome (12300111100321).

The spelling of 12100010100200 in words is "twelve trillion, one hundred billion, ten million, one hundred thousand, two hundred".