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12110000201220 = 2235673012437861
BaseRepresentation
bin1011000000111001010001…
…0000101001111000000100
31120212201000201212022012010
42300032110100221320010
53041402240022414340
641431131324054220
72356630044211425
oct260162420517004
946781021768163
1012110000201220
113949905452109
121436bba694370
1369ac77c5a24c
142dc1acc1564c
15160020057b80
hexb0394429e04

12110000201220 has 48 divisors (see below), whose sum is σ = 34414090135488. Its totient is φ = 3181134380160.

The previous prime is 12110000201213. The next prime is 12110000201227. The reversal of 12110000201220 is 2210200001121.

It is an interprime number because it is at equal distance from previous prime (12110000201213) and next prime (12110000201227).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12110000201196 and 12110000201205.

It is not an unprimeable number, because it can be changed into a prime (12110000201227) 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, 1506214911 + ... + 1506222950.

It is an arithmetic number, because the mean of its divisors is an integer number (716960211156).

Almost surely, 212110000201220 is an apocalyptic number.

12110000201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110000201220 is an abundant number, since it is smaller than the sum of its proper divisors (22304089934268).

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

12110000201220 is a wasteful number, since it uses less digits than its factorization.

12110000201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012437940 (or 3012437938 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12110000201220 its reverse (2210200001121), we get a palindrome (14320200202341).

The spelling of 12110000201220 in words is "twelve trillion, one hundred ten billion, two hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 67 134 201 268 335 402 670 804 1005 1340 2010 4020 3012437861 6024875722 9037313583 12049751444 15062189305 18074627166 30124378610 36149254332 45186567915 60248757220 90373135830 180746271660 201833336687 403666673374 605500010061 807333346748 1009166683435 1211000020122 2018333366870 2422000040244 3027500050305 4036666733740 6055000100610 12110000201220