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1312122120034 = 2112910463196561
BaseRepresentation
bin10011000110000000100…
…100101010011101100010
311122102211001020221202211
4103012000210222131202
5132444211230320114
62442440334432334
7163540415666245
oct23060044523542
94572731227684
101312122120034
11466516803410
1219236b0626aa
139696a648b2b
14477154b525c
15241e82696c4
hex1318092a762

1312122120034 has 32 divisors (see below), whose sum is σ = 2221370749440. Its totient is φ = 575795001600.

The previous prime is 1312122120011. The next prime is 1312122120059. The reversal of 1312122120034 is 4300212212131.

It is a super-2 number, since 2×13121221200342 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1312122119987 and 1312122120014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6577114 + ... + 6773674.

It is an arithmetic number, because the mean of its divisors is an integer number (69417835920).

Almost surely, 21312122120034 is an apocalyptic number.

1312122120034 is a deficient number, since it is larger than the sum of its proper divisors (909248629406).

1312122120034 is a wasteful number, since it uses less digits than its factorization.

1312122120034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207066.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1312122120034 its reverse (4300212212131), we get a palindrome (5612334332165).

The spelling of 1312122120034 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, one hundred twenty thousand, thirty-four".

Divisors: 1 2 11 22 29 58 319 638 10463 20926 115093 196561 230186 303427 393122 606854 2162171 3337697 4324342 5700269 6675394 11400538 62702959 125405918 2056617743 4113235486 22622795173 45245590346 59641914547 119283829094 656061060017 1312122120034