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12200111320 = 235305002783
BaseRepresentation
bin10110101110010111…
…01110110011011000
31011111020122212110211
423113023232303120
5144441212030240
65334334420504
7611221143445
oct132713566330
934436585424
1012200111320
1151a0710231
122445961734
1311c575a6a7
1483a42c9cc
154b60ecbea
hex2d72eecd8

12200111320 has 16 divisors (see below), whose sum is σ = 27450250560. Its totient is φ = 4880044512.

The previous prime is 12200111309. The next prime is 12200111321. The reversal of 12200111320 is 2311100221.

It is a self number, because there is not a number n which added to its sum of digits gives 12200111320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200111321) 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, 152501352 + ... + 152501431.

It is an arithmetic number, because the mean of its divisors is an integer number (1715640660).

Almost surely, 212200111320 is an apocalyptic number.

12200111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200111320 is an abundant number, since it is smaller than the sum of its proper divisors (15250139240).

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

12200111320 is a wasteful number, since it uses less digits than its factorization.

12200111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305002794 (or 305002790 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12200111320 its reverse (2311100221), we get a palindrome (14511211541).

The spelling of 12200111320 in words is "twelve billion, two hundred million, one hundred eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 305002783 610005566 1220011132 1525013915 2440022264 3050027830 6100055660 12200111320