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13121012210200 = 2352412271591313
BaseRepresentation
bin1011111011101111100101…
…0001011001101000011000
31201110100121220022202010121
42332323321101121220120
53204433313111211300
643523413152123024
72522650625411056
oct276737121315030
951410556282117
1013121012210200
1141a9654368374
12157ab34536474
137423c979651b
143350bb9771d6
1517b49343181a
hexbeef9459a18

13121012210200 has 48 divisors (see below), whose sum is σ = 30507112520280. Its totient is φ = 5248274280960.

The previous prime is 13121012210197. The next prime is 13121012210213. The reversal of 13121012210200 is 201221012131.

It is a super-3 number, since 3×131210122102003 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7449744 + ... + 9041056.

Almost surely, 213121012210200 is an apocalyptic number.

13121012210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13121012210200 is an abundant number, since it is smaller than the sum of its proper divisors (17386100310080).

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

13121012210200 is a wasteful number, since it uses less digits than its factorization.

13121012210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632556 (or 1632547 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13121012210200 its reverse (201221012131), we get a palindrome (13322233222331).

The spelling of 13121012210200 in words is "thirteen trillion, one hundred twenty-one billion, twelve million, two hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 41227 82454 164908 206135 329816 412270 824540 1030675 1591313 1649080 2061350 3182626 4122700 6365252 7956565 8245400 12730504 15913130 31826260 39782825 63652520 79565650 159131300 318262600 65605061051 131210122102 262420244204 328025305255 524840488408 656050610510 1312101221020 1640126526275 2624202442040 3280253052550 6560506105100 13121012210200