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1220222011210 = 257110716796179
BaseRepresentation
bin10001110000011010111…
…001100100011101001010
311022122121100222201100121
4101300122321210131022
5124443003313324320
62332321240253454
7154105144650646
oct21603271443512
94278540881317
101220222011210
11430547572454
121785a1a7128a
138b0b2c85607
14430b80c1c26
1521b1a1ac8aa
hex11c1ae6474a

1220222011210 has 64 divisors (see below), whose sum is σ = 2261636536320. Its totient is φ = 473857464640.

The previous prime is 1220222011193. The next prime is 1220222011219. The reversal of 1220222011210 is 121102220221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220222011219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12638901 + ... + 12735079.

It is an arithmetic number, because the mean of its divisors is an integer number (35338070880).

Almost surely, 21220222011210 is an apocalyptic number.

1220222011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220222011210 is a deficient number, since it is larger than the sum of its proper divisors (1041414525110).

1220222011210 is a wasteful number, since it uses less digits than its factorization.

1220222011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96531.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220222011210 its reverse (121102220221), we get a palindrome (1341324231431).

The spelling of 1220222011210 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 71 107 142 167 214 334 355 535 710 835 1070 1670 7597 11857 15194 17869 23714 35738 37985 59285 75970 89345 96179 118570 178690 192358 480895 961790 1268699 2537398 6343495 6828709 10291153 12686990 13657418 16061893 20582306 32123786 34143545 51455765 68287090 80309465 102911530 160618930 730671863 1140394403 1461343726 1718622551 2280788806 3437245102 3653359315 5701972015 7306718630 8593112755 11403944030 17186225510 122022201121 244044402242 610111005605 1220222011210