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1201120220310 = 235127315254651
BaseRepresentation
bin10001011110101000010…
…110000001010010010110
311020211022010121012100120
4101132220112001102112
5124134343234022220
62315441554452410
7152530610263323
oct21365026012226
94224263535316
101201120220310
114234350621aa
12174950894106
138935a6c816a
14421c520bb4a
152139d217a40
hex117a8581496

1201120220310 has 32 divisors (see below), whose sum is σ = 2905386872832. Its totient is φ = 317776687200.

The previous prime is 1201120220239. The next prime is 1201120220317. The reversal of 1201120220310 is 130220211021.

It is a super-2 number, since 2×12011202203102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1201120220310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201120220317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157623516 + ... + 157631135.

It is an arithmetic number, because the mean of its divisors is an integer number (90793339776).

Almost surely, 21201120220310 is an apocalyptic number.

1201120220310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201120220310 is an abundant number, since it is smaller than the sum of its proper divisors (1704266652522).

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

1201120220310 is a wasteful number, since it uses less digits than its factorization.

1201120220310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315254788.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1201120220310 its reverse (130220211021), we get a palindrome (1331340431331).

The spelling of 1201120220310 in words is "one trillion, two hundred one billion, one hundred twenty million, two hundred twenty thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 127 254 381 635 762 1270 1905 3810 315254651 630509302 945763953 1576273255 1891527906 3152546510 4728819765 9457639530 40037340677 80074681354 120112022031 200186703385 240224044062 400373406770 600560110155 1201120220310