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12002121211010 = 257171458874443
BaseRepresentation
bin1010111010100111011000…
…1010111101110010000010
31120111101120110111210021012
42232221312022331302002
53033120321012223020
641305410503000522
72346060516011120
oct256516612756202
946441513453235
1012002121211010
113908086590057
12141a112139142
13690a44cc6128
142d6c975ca910
1515c3092777c5
hexaea762bdc82

12002121211010 has 16 divisors (see below), whose sum is σ = 24690077919936. Its totient is φ = 4115012986608.

The previous prime is 12002121211009. The next prime is 12002121211019. The reversal of 12002121211010 is 1011212120021.

It is a super-2 number, since 2×120021212110102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12002121211019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85729437152 + ... + 85729437291.

It is an arithmetic number, because the mean of its divisors is an integer number (1543129869996).

Almost surely, 212002121211010 is an apocalyptic number.

12002121211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002121211010 is an abundant number, since it is smaller than the sum of its proper divisors (12687956708926).

12002121211010 is a wasteful number, since it uses less digits than its factorization.

12002121211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171458874457.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12002121211010 its reverse (1011212120021), we get a palindrome (13013333331031).

The spelling of 12002121211010 in words is "twelve trillion, two billion, one hundred twenty-one million, two hundred eleven thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 171458874443 342917748886 857294372215 1200212121101 1714588744430 2400424242202 6001060605505 12002121211010