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12000011210 = 2511297515009
BaseRepresentation
bin10110010110100000…
…11010001111001010
31010222022010201201122
423023100122033022
5144034000324320
65302425515242
7603241261265
oct131320321712
933868121648
1012000011210
1150a876a040
1223aa942b22
131193169965
1481ba21cdc
154a3773d25
hex2cb41a3ca

12000011210 has 64 divisors (see below), whose sum is σ = 24413529600. Its totient is φ = 4206720000.

The previous prime is 12000011207. The next prime is 12000011213. The reversal of 12000011210 is 1211000021.

It is an interprime number because it is at equal distance from previous prime (12000011207) and next prime (12000011213).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12000011213) 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, 2393186 + ... + 2398194.

It is an arithmetic number, because the mean of its divisors is an integer number (381461400).

Almost surely, 212000011210 is an apocalyptic number.

12000011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000011210 is an abundant number, since it is smaller than the sum of its proper divisors (12413518390).

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

12000011210 is a wasteful number, since it uses less digits than its factorization.

12000011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12000011210 its reverse (1211000021), we get a palindrome (13211011231).

The spelling of 12000011210 in words is "twelve billion, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 751 1502 1595 3190 3755 5009 7510 8261 10018 16522 21779 25045 41305 43558 50090 55099 82610 108895 110198 145261 217790 239569 275495 290522 479138 550990 726305 1197845 1452610 1597871 2395690 3195742 3761759 7523518 7989355 15978710 18808795 37617590 41379349 82758698 109091011 206896745 218182022 413793490 545455055 1090910110 1200001121 2400002242 6000005605 12000011210