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212220202110200 = 235217292447879581
BaseRepresentation
bin110000010000001101011101…
…110000101100110011111000
31000211102001102202211101011222
4300100031131300230303320
5210304003433220011300
62031204340455011212
762462255305354514
oct6020153560546370
91024361382741158
10212220202110200
116169009a581799
121b975844369b08
1391553824bb19b
143a5972677b144
151980503cc4785
hexc1035dc2ccf8

212220202110200 has 192 divisors, whose sum is σ = 540672722409600. Its totient is φ = 77108064051200.

The previous prime is 212220202110143. The next prime is 212220202110211. The reversal of 212220202110200 is 2011202022212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240834410 + ... + 241713990.

It is an arithmetic number, because the mean of its divisors is an integer number (2816003762550).

Almost surely, 2212220202110200 is an apocalyptic number.

212220202110200 is a gapful number since it is divisible by the number (20) 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 212220202110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270336361204800).

212220202110200 is an abundant number, since it is smaller than the sum of its proper divisors (328452520299400).

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

212220202110200 is a wasteful number, since it uses less digits than its factorization.

212220202110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882090 (or 882081 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212220202110200 its reverse (2011202022212), we get a palindrome (214231404132412).

The spelling of 212220202110200 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred two million, one hundred ten thousand, two hundred".