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1011201201200 = 245217148706059
BaseRepresentation
bin11101011011100000100…
…10011101010000110000
310120200002100110101212202
432231300102131100300
5113031420001414300
62052312303042332
7133025336251211
oct16556022352060
93520070411782
101011201201200
1135a936797173
12143b892a03a8
1374481aab148
1436d29d2d408
151b484ceaad5
hexeb7049d430

1011201201200 has 60 divisors (see below), whose sum is σ = 2572317425880. Its totient is φ = 380687508480.

The previous prime is 1011201201133. The next prime is 1011201201203. The reversal of 1011201201200 is 21021021101.

It is not an unprimeable number, because it can be changed into a prime (1011201201203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74346230 + ... + 74359829.

It is an arithmetic number, because the mean of its divisors is an integer number (42871957098).

Almost surely, 21011201201200 is an apocalyptic number.

1011201201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011201201200 is an abundant number, since it is smaller than the sum of its proper divisors (1561116224680).

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

1011201201200 is a wasteful number, since it uses less digits than its factorization.

1011201201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148706094 (or 148706083 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011201201200 its reverse (21021021101), we get a palindrome (1032222222301).

The spelling of 1011201201200 in words is "one trillion, eleven billion, two hundred one million, two hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 136 170 200 272 340 400 425 680 850 1360 1700 3400 6800 148706059 297412118 594824236 743530295 1189648472 1487060590 2379296944 2528003003 2974121180 3717651475 5056006006 5948242360 7435302950 10112012012 11896484720 12640015015 14870605900 20224024024 25280030030 29741211800 40448048048 50560060060 59482423600 63200075075 101120120120 126400150150 202240240240 252800300300 505600600600 1011201201200