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12020202100200 = 23352719773194863
BaseRepresentation
bin1010111011101010101111…
…1000000101010111101000
31120120010020112220010101210
42232322223320011113220
53033414333214201300
641322000555113120
72350300546021560
oct256725370052750
946503215803353
1012020202100200
1139148147a0788
1214217194427a0
13692666c08728
142d7ad0a71da0
1515ca167ad050
hexaeeabe055e8

12020202100200 has 384 divisors, whose sum is σ = 44885441433600. Its totient is φ = 2599490257920.

The previous prime is 12020202100103. The next prime is 12020202100201. The reversal of 12020202100200 is 200120202021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12020202100201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61587969 + ... + 61782831.

It is an arithmetic number, because the mean of its divisors is an integer number (116889170400).

Almost surely, 212020202100200 is an apocalyptic number.

12020202100200 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 12020202100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22442720716800).

12020202100200 is an abundant number, since it is smaller than the sum of its proper divisors (32865239333400).

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

12020202100200 is a wasteful number, since it uses less digits than its factorization.

12020202100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195681 (or 195672 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12020202100200 its reverse (200120202021), we get a palindrome (12220322302221).

The spelling of 12020202100200 in words is "twelve trillion, twenty billion, two hundred two million, one hundred thousand, two hundred".