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1200210010200 = 2333521975032243
BaseRepresentation
bin10001011101110010000…
…101110110000001011000
311020201221200212201211000
4101131302011312001120
5124131012230311300
62315211401505000
7152466215521455
oct21356205660130
94221850781730
101200210010200
11423008296943
12174737aa2160
1389243c683b6
144213a39482c
1521348370c00
hex11772176058

1200210010200 has 384 divisors, whose sum is σ = 4165158412800. Its totient is φ = 317656604160.

The previous prime is 1200210010141. The next prime is 1200210010231. The reversal of 1200210010200 is 20100120021.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 535090279 + ... + 535092521.

It is an arithmetic number, because the mean of its divisors is an integer number (10846766700).

Almost surely, 21200210010200 is an apocalyptic number.

1200210010200 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 1200210010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2082579206400).

1200210010200 is an abundant number, since it is smaller than the sum of its proper divisors (2964948402600).

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

1200210010200 is a wasteful number, since it uses less digits than its factorization.

1200210010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1200210010200 its reverse (20100120021), we get a palindrome (1220310130221).

The spelling of 1200210010200 in words is "one trillion, two hundred billion, two hundred ten million, ten thousand, two hundred".