Search a number
-
+
1210011201200 = 245261173286651
BaseRepresentation
bin10001100110111010010…
…010011010111010110000
311021200020202112211021002
4101212322102122322300
5124311100331414300
62323512123221132
7153264130336364
oct21467222327260
94250222484232
101210011201200
1142718786179a
121766123777a8
138a1466c76b9
14427c9d652a4
152171da5c5d5
hex119ba49aeb0

1210011201200 has 120 divisors (see below), whose sum is σ = 2971798106736. Its totient is φ = 473316480000.

The previous prime is 1210011201199. The next prime is 1210011201209. The reversal of 1210011201200 is 21021100121.

It is not an unprimeable number, because it can be changed into a prime (1210011201209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4077875 + ... + 4364525.

Almost surely, 21210011201200 is an apocalyptic number.

1210011201200 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 1210011201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485899053368).

1210011201200 is an abundant number, since it is smaller than the sum of its proper divisors (1761786905536).

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

1210011201200 is a wasteful number, since it uses less digits than its factorization.

1210011201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286903 (or 286892 counting only the distinct ones).

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

Adding to 1210011201200 its reverse (21021100121), we get a palindrome (1231032301321).

The spelling of 1210011201200 in words is "one trillion, two hundred ten billion, eleven million, two hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 61 80 100 122 173 200 244 305 346 400 488 610 692 865 976 1220 1384 1525 1730 2440 2768 3050 3460 4325 4880 6100 6920 8650 10553 12200 13840 17300 21106 24400 34600 42212 52765 69200 84424 105530 168848 211060 263825 286651 422120 527650 573302 844240 1055300 1146604 1433255 2110600 2293208 2866510 4221200 4586416 5733020 7166275 11466040 14332550 17485711 22932080 28665100 34971422 49590623 57330200 69942844 87428555 99181246 114660400 139885688 174857110 198362492 247953115 279771376 349714220 396724984 437142775 495906230 699428440 793449968 874285550 991812460 1239765575 1398856880 1748571100 1983624920 2479531150 3025028003 3497142200 3967249840 4959062300 6050056006 6994284400 9918124600 12100112012 15125140015 19836249200 24200224024 30250280030 48400448048 60500560060 75625700075 121001120120 151251400150 242002240240 302502800300 605005600600 1210011201200