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12200013430 = 25111919073061
BaseRepresentation
bin10110101110010110…
…10110111001110110
31011111020110220012021
423113023112321312
5144441200412210
65334332343354
7611220255163
oct132713267166
934436426167
1012200013430
1151a0653730
122445914b5a
1311c5724c77
1483a40506a
154b60cdbda
hex2d72d6e76

12200013430 has 64 divisors (see below), whose sum is σ = 25238718720. Its totient is φ = 4199299200.

The previous prime is 12200013407. The next prime is 12200013431. The reversal of 12200013430 is 3431000221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200013431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3984100 + ... + 3987160.

It is an arithmetic number, because the mean of its divisors is an integer number (394354980).

Almost surely, 212200013430 is an apocalyptic number.

12200013430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12200013430 is an abundant number, since it is smaller than the sum of its proper divisors (13038705290).

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

12200013430 is a wasteful number, since it uses less digits than its factorization.

12200013430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12200013430 its reverse (3431000221), we get a palindrome (15631013651).

The spelling of 12200013430 in words is "twelve billion, two hundred million, thirteen thousand, four hundred thirty".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 418 1045 1907 2090 3061 3814 6122 9535 15305 19070 20977 30610 33671 36233 41954 58159 67342 72466 104885 116318 168355 181165 209770 290795 336710 362330 398563 581590 639749 797126 1279498 1992815 3198745 3985630 5837327 6397490 11674654 29186635 58373270 64210597 110909213 128421194 221818426 321052985 554546065 642105970 1109092130 1220001343 2440002686 6100006715 12200013430