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12021021201202 = 2131133814077817
BaseRepresentation
bin1010111011101101110010…
…1100101101001100110010
31120120012100122011202201221
42232323130230231030302
53033423022411414302
641322214135215254
72350330053201256
oct256733454551462
946505318152657
1012021021201202
1139150a5098462
12142190781752a
13692767818790
142d7b6b770266
1515ca63659937
hexaeedcb2d332

12021021201202 has 16 divisors (see below), whose sum is σ = 19418748739992. Its totient is φ = 5548113336960.

The previous prime is 12021021201197. The next prime is 12021021201251. The reversal of 12021021201202 is 20210212012021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11606361189721 + 414660011481 = 3406811^2 + 643941^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908998 + ... + 4986814.

Almost surely, 212021021201202 is an apocalyptic number.

12021021201202 is a deficient number, since it is larger than the sum of its proper divisors (7397727538790).

12021021201202 is a wasteful number, since it uses less digits than its factorization.

12021021201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191213.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12021021201202 its reverse (20210212012021), we get a palindrome (32231233213223).

The spelling of 12021021201202 in words is "twelve trillion, twenty-one billion, twenty-one million, two hundred one thousand, two hundred two".

Divisors: 1 2 13 26 113381 226762 1473953 2947906 4077817 8155634 53011621 106023242 462346969277 924693938554 6010510600601 12021021201202