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12020121100010 = 252352261396087
BaseRepresentation
bin1010111011101010011100…
…0011000101111011101010
31120120010000220110220000202
42232322213003011323222
53033414202000200020
641321544543032202
72350265543361452
oct256724703057352
946503026426022
1012020121100010
113914782aa7081
1214216b629b662
136926531b801a
142d7ac3dc8d62
1515ca0e60ce75
hexaeea70c5eea

12020121100010 has 16 divisors (see below), whose sum is σ = 22576923110016. Its totient is φ = 4599002855568.

The previous prime is 12020121099977. The next prime is 12020121100021. The reversal of 12020121100010 is 1000112102021.

It is a super-2 number, since 2×120201211000102 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12020121099964 and 12020121100000.

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, 26130697814 + ... + 26130698273.

It is an arithmetic number, because the mean of its divisors is an integer number (1411057694376).

Almost surely, 212020121100010 is an apocalyptic number.

12020121100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020121100010 is a deficient number, since it is larger than the sum of its proper divisors (10556802010006).

12020121100010 is a wasteful number, since it uses less digits than its factorization.

12020121100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52261396117.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12020121100010 its reverse (1000112102021), we get a palindrome (13020233202031).

The spelling of 12020121100010 in words is "twelve trillion, twenty billion, one hundred twenty-one million, one hundred thousand, ten".

Divisors: 1 2 5 10 23 46 115 230 52261396087 104522792174 261306980435 522613960870 1202012110001 2404024220002 6010060550005 12020121100010