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1222100110200 = 2335223317339133
BaseRepresentation
bin10001110010001010110…
…101111100101101111000
311022211110020222000211110
4101302022311330231320
5130010330112011300
62333231450400320
7154202531353134
oct21621265745570
94284406860743
101222100110200
11431320719a82
12178a26a300a0
138b3220bb6a8
14432156c83c4
1521bc9ee1550
hex11c8ad7cb78

1222100110200 has 384 divisors, whose sum is σ = 4136758087680. Its totient is φ = 297528422400.

The previous prime is 1222100110193. The next prime is 1222100110213. The reversal of 1222100110200 is 20110012221.

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

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, 31209834 + ... + 31248966.

It is an arithmetic number, because the mean of its divisors is an integer number (10772807520).

Almost surely, 21222100110200 is an apocalyptic number.

1222100110200 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 1222100110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2068379043840).

1222100110200 is an abundant number, since it is smaller than the sum of its proper divisors (2914657977480).

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

1222100110200 is a wasteful number, since it uses less digits than its factorization.

1222100110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39279 (or 39270 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1222100110200 its reverse (20110012221), we get a palindrome (1242210122421).

The spelling of 1222100110200 in words is "one trillion, two hundred twenty-two billion, one hundred million, one hundred ten thousand, two hundred".