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12210000020032 = 261711222426489
BaseRepresentation
bin1011000110101101110010…
…1101101100001001000000
31121020021010220011102220011
42301223130231230021000
53100022040001120112
641545110243154304
72400100116513613
oct261533455541100
947207126142804
1012210000020032
113988260774071
121452468375994
136a7523705379
14302d77c2a17a
15162924258aa7
hexb1adcb6c240

12210000020032 has 28 divisors (see below), whose sum is σ = 25654466956140. Its totient is φ = 5745882361856.

The previous prime is 12210000020027. The next prime is 12210000020039. The reversal of 12210000020032 is 23002000001221.

It can be written as a sum of positive squares in 2 ways, for example, as 10933497749056 + 1276502270976 = 3306584^2 + 1129824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12210000019994 and 12210000020021.

It is not an unprimeable number, because it can be changed into a prime (12210000020039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5611212157 + ... + 5611214332.

Almost surely, 212210000020032 is an apocalyptic number.

It is an amenable number.

12210000020032 is an abundant number, since it is smaller than the sum of its proper divisors (13444466936108).

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

12210000020032 is a wasteful number, since it uses less digits than its factorization.

12210000020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222426518 (or 11222426508 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12210000020032 its reverse (23002000001221), we get a palindrome (35212000021253).

The spelling of 12210000020032 in words is "twelve trillion, two hundred ten billion, twenty thousand, thirty-two".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 11222426489 22444852978 44889705956 89779411912 179558823824 190781250313 359117647648 381562500626 718235295296 763125001252 1526250002504 3052500005008 6105000010016 12210000020032