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12200511034431 = 332319646555611
BaseRepresentation
bin1011000110001010011100…
…1000000101010000111111
31121012100122120222000202000
42301202213020011100333
53044343121311100211
641540500513233343
72366313015461556
oct261424710052077
947170576860660
1012200511034431
113984231459805
12145065a562853
136a66708584a5
143027178c8d9d
1516256b18c656
hexb18a720543f

12200511034431 has 16 divisors (see below), whose sum is σ = 18860693387520. Its totient is φ = 7780036021560.

The previous prime is 12200511034343. The next prime is 12200511034451. The reversal of 12200511034431 is 13443011500221.

12200511034431 is a `hidden beast` number, since 1 + 2 + 200 + 5 + 1 + 10 + 3 + 443 + 1 = 666.

It is not a de Polignac number, because 12200511034431 - 27 = 12200511034303 is a prime.

It is a super-2 number, since 2×122005110344312 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12200511034395 and 12200511034404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200511034451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9823277185 + ... + 9823278426.

It is an arithmetic number, because the mean of its divisors is an integer number (1178793336720).

Almost surely, 212200511034431 is an apocalyptic number.

12200511034431 is a deficient number, since it is larger than the sum of its proper divisors (6660182353089).

12200511034431 is a wasteful number, since it uses less digits than its factorization.

12200511034431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646555643 (or 19646555637 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 12200511034431 its reverse (13443011500221), we get a palindrome (25643522534652).

The spelling of 12200511034431 in words is "twelve trillion, two hundred billion, five hundred eleven million, thirty-four thousand, four hundred thirty-one".

Divisors: 1 3 9 23 27 69 207 621 19646555611 58939666833 176819000499 451870779053 530457001497 1355612337159 4066837011477 12200511034431