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12012002011210 = 2541122812385601
BaseRepresentation
bin1010111011001100001100…
…0111001110100001001010
31120112100002001222110000011
42232303003013032201022
53033301040003324320
641314123150502134
72346560415303565
oct256630307164112
946470061873004
1012012002011210
113911296a8a533
12142000b20494a
1369195b0a9976
142d75539a14dc
1515c6d693c05a
hexaecc31ce84a

12012002011210 has 32 divisors (see below), whose sum is σ = 22150772605584. Its totient is φ = 4687226880000.

The previous prime is 12012002011103. The next prime is 12012002011213. The reversal of 12012002011210 is 1211020021021.

It can be written as a sum of positive squares in 8 ways, for example, as 5429324068281 + 6582677942929 = 2330091^2 + 2565673^2 .

It is not an unprimeable number, because it can be changed into a prime (12012002011213) 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, 3842410 + ... + 6228010.

Almost surely, 212012002011210 is an apocalyptic number.

12012002011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012002011210 is a deficient number, since it is larger than the sum of its proper divisors (10138770594374).

12012002011210 is a wasteful number, since it uses less digits than its factorization.

12012002011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397930.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012002011210 its reverse (1211020021021), we get a palindrome (13223022032231).

The spelling of 12012002011210 in words is "twelve trillion, twelve billion, two million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 41 82 205 410 12281 24562 61405 122810 503521 1007042 2385601 2517605 4771202 5035210 11928005 23856010 97809641 195619282 489048205 978096410 29297565881 58595131762 146487829405 292975658810 1201200201121 2402400402242 6006001005605 12012002011210