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12110202100000 = 2555121102021
BaseRepresentation
bin1011000000111010000001…
…0010110101100100100000
31120212201112210202211020201
42300032200102311210200
53041403143214200000
641431203335314544
72356635045264544
oct260164022654440
946781483684221
1012110202100000
1139499a9411704
12143705621ba54
1369acaaa2a894
142dc1cb96da24
15160032b3996a
hexb03a04b5920

12110202100000 has 72 divisors (see below), whose sum is σ = 29800543369716. Its totient is φ = 4844080800000.

The previous prime is 12110202099979. The next prime is 12110202100163. The reversal of 12110202100000 is 120201121.

It can be written as a sum of positive squares in 6 ways, for example, as 2899486972944 + 9210715127056 = 1702788^2 + 3034916^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 12110202100000.

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, 60451011 + ... + 60651010.

Almost surely, 212110202100000 is an apocalyptic number.

12110202100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110202100000 is an abundant number, since it is smaller than the sum of its proper divisors (17690341269716).

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

12110202100000 is an frugal number, since it uses more digits than its factorization.

12110202100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121102056 (or 121102028 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12110202100000 its reverse (120201121), we get a palindrome (12110322301121).

The spelling of 12110202100000 in words is "twelve trillion, one hundred ten billion, two hundred two million, one hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 121102021 242204042 484408084 605510105 968816168 1211020210 1937632336 2422040420 3027550525 3875264672 4844080840 6055101050 9688161680 12110202100 15137752625 19376323360 24220404200 30275505250 48440808400 60551010500 75688763125 96881616800 121102021000 151377526250 242204042000 302755052500 378443815625 484408084000 605510105000 756887631250 1211020210000 1513775262500 2422040420000 3027550525000 6055101050000 12110202100000